lennart-finke/Stage-A
36B • Updated • 83
id stringlengths 14 84 | tier stringclasses 2
values | code stringlengths 71 9.09k | cwe stringclasses 9
values | family stringclasses 6
values | cve stringlengths 0 16 ⌀ | description stringlengths 166 430 | source stringclasses 8
values | project stringlengths 3 35 ⌀ | lang stringclasses 3
values | lines int64 3 282 | split stringclasses 1
value |
|---|---|---|---|---|---|---|---|---|---|---|---|
rv5_crossvul_CWE-119_bad_3087_1_1780 | hard | pickCopyFunc(TIFF* in, TIFF* out, uint16 bitspersample, uint16 samplesperpixel)
{
uint16 shortv;
uint32 w, l, tw, tl;
int bychunk;
(void) TIFFGetField(in, TIFFTAG_PLANARCONFIG, &shortv);
if (shortv != config && bitspersample != 8 && samplesperpixel > 1) {
fprintf(stderr,
"%s: Cannot handle different plana... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: pickCopyFunc() reads PLANARCONFIG with TIFFGetField without checking its return, so shortv stays uninitialized when the tag is missing and is then used in the config comparison and in the pack()/switch that selects the copy routine. | crossvul | null | c | 104 | train |
rv5_crossvul_CWE-119_bad_5590_0_150 | easy | kvp_respond_to_host(char *key, char *value, int error)
{
struct hv_kvp_msg *kvp_msg;
struct hv_kvp_msg_enumerate *kvp_data;
char *key_name;
struct icmsg_hdr *icmsghdrp;
int keylen, valuelen;
u32 buf_len;
struct vmbus_channel *channel;
u64 req_id;
/*
* If a transaction is not active; log and return.
*/
... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: kvp_respond_to_host() calls utf8s_to_utf16s() on the key and value strings without any output-length bound, so overly long strings overflow the fixed-size kvp_data->data.key / data.value buffers. | crossvul | null | c | 81 | train |
rv5_crossvul_CWE-125_bad_2925_0_1621 | easy | ims_pcu_get_cdc_union_desc(struct usb_interface *intf)
{
const void *buf = intf->altsetting->extra;
size_t buflen = intf->altsetting->extralen;
struct usb_cdc_union_desc *union_desc;
if (!buf) {
dev_err(&intf->dev, "Missing descriptor data\n");
return NULL;
}
if (!buflen) {
dev_err(&intf->dev, "Zero lengt... | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: The while (buflen > 0) loop in ims_pcu_get_cdc_union_desc() reads union_desc->bDescriptorType/bDescriptorSubType and advances by bLength without checking that buflen holds a full descriptor or that bLength <= buflen. A malicious device can therefore cause out-of-bounds reads p... | crossvul | null | c | 32 | train |
rv5_crossvul_CWE-125_bad_4161_1_52 | easy | inline TfLiteTensor* GetTemporary(TfLiteContext* context,
const TfLiteNode* node, int index) {
return &context->tensors[node->temporaries->data[index]];
} | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: GetTemporary() reads node->temporaries->data[index] without checking index against node->temporaries->size, then uses the resulting value (possibly -1/kTfLiteOptionalTensor) to index context->tensors, causing an out-of-bounds read. | crossvul | null | c | 4 | train |
rv5_crossvul_CWE-125_bad_4161_1_56 | easy | inline const TfLiteTensor* GetIntermediates(TfLiteContext* context,
const TfLiteNode* node, int index) {
return &context->tensors[node->intermediates->data[index]];
} | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: GetIntermediates indexes node->intermediates->data[index] without bounds-checking index against intermediates->size, and uses the resulting tensor index (possibly -1/kTfLiteOptionalTensor) to index context->tensors, causing an out-of-bounds read. | crossvul | null | c | 4 | train |
rv5_crossvul_CWE-125_bad_486_6_45 | easy | mcs_parse_domain_params(STREAM s)
{
int length;
ber_parse_header(s, MCS_TAG_DOMAIN_PARAMS, &length);
in_uint8s(s, length);
return s_check(s);
} | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: mcs_parse_domain_params() advances the stream with in_uint8s(s, length) using a server-supplied BER length without checking it against the remaining stream bytes, so the stream can be read past the end of the buffer. | crossvul | null | c | 9 | train |
rv5_crossvul_CWE-17_bad_1789_0_222 | hard | void CoreUserInputHandler::doMode(const BufferInfo &bufferInfo, const QChar& addOrRemove, const QChar& mode, const QString &nicks)
{
QString m;
bool isNumber;
int maxModes = network()->support("MODES").toInt(&isNumber);
if (!isNumber || maxModes == 0) maxModes = 1;
QStringList nickList;
if (nic... | CWE-476 | null | null | CWE-476: NULL Pointer Dereference
This instance: When nicks == "*" in a non-channel buffer, network()->ircChannel(bufferInfo.bufferName()) returns NULL and is dereferenced via ->ircUsers()/->userModes() without checking the buffer type or the pointer. | crossvul | null | cpp | 30 | train |
rv5_crossvul_CWE-269_bad_3151_1_234 | hard | static void copy_xauthority(void) {
// copy XAUTHORITY_FILE in the new home directory
char *src = RUN_XAUTHORITY_FILE ;
char *dest;
if (asprintf(&dest, "%s/.Xauthority", cfg.homedir) == -1)
errExit("asprintf");
// if destination is a symbolic link, exit the sandbox!!!
if (is_link(dest)) {
fprintf(stderr, "Er... | CWE-362 | race | null | CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
This instance: After the unprivileged child copies the file, the root parent calls chown(dest, ...) and chmod(dest, ...) by path on the user-controlled $HOME/.Xauthority, so a symlink swapped in after the is_link() chec... | crossvul | null | c | 41 | train |
rv5_crossvul_CWE-269_bad_3151_1_276 | hard | static void copy_asoundrc(void) {
// copy XAUTHORITY_FILE in the new home directory
char *src = RUN_ASOUNDRC_FILE ;
char *dest;
if (asprintf(&dest, "%s/.asoundrc", cfg.homedir) == -1)
errExit("asprintf");
// if destination is a symbolic link, exit the sandbox!!!
if (is_link(dest)) {
fprintf(stderr, "Error: %... | CWE-362 | race | null | CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
This instance: After the unprivileged child copies .asoundrc, the root parent calls chown(dest) and chmod(dest) on a user-writable path, which the user can replace with a symlink after the is_link check, letting root ch... | crossvul | null | c | 41 | train |
rv5_crossvul_CWE-362_bad_1664_4_106 | hard | (
OUT p_fm_config_conx_hdlt *p_hdl,
IN int instance,
OPTIONAL IN char *rem_address,
OPTIONAL IN char *community
)
{
fm_config_conx_hdl *hdl;
fm_mgr_config_errno_t res = FM_CONF_OK;
if ( (hdl = calloc(1,sizeof(fm_config_conx_hdl))) == NULL )
{
res = FM_CONF_NO_M... | CWE-416 | uaf | null | CWE-416: Use After Free
This instance: On connect failure, the cleanup path frees hdl after it was already returned through *p_hdl, leaving the caller with a dangling handle that is later used or freed again. | crossvul | null | c | 56 | train |
rv5_crossvul_CWE-416_bad_4007_0_4006 | hard | static ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count)\
{ \
struct bfq_data *bfqd = e->elevator_data; \
unsigned long uninitialized_var(__data); \
int ret = bfq_var_store(&__data, (page), count); \
if (__data < (MIN)) \
__data = (MIN); \
else if (__data > (MAX)) ... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The store macro uses __data (declared with uninitialized_var) after bfq_var_store() without checking for parse failure, so on invalid input an uninitialized stack value is clamped and written into *__PTR. | crossvul | null | c | 12 | train |
rv5_crossvul_CWE-476_bad_799_0_2836 | hard | static int decode_nal_unit(HEVCContext *s, const H2645NAL *nal)
{
HEVCLocalContext *lc = s->HEVClc;
GetBitContext *gb = &lc->gb;
int ctb_addr_ts, ret;
*gb = nal->gb;
s->nal_unit_type = nal->type;
s->temporal_id = nal->temporal_id;
switch (s->nal_unit_type) {
case HEVC... | CWE-476 | null | null | CWE-476: NULL Pointer Dereference
This instance: decode_nal_unit() detects a second slice with first_slice_in_pic_flag while s->ref is set only after hls_slice_header() has already reset parameter-set and frame state, so later slice decoding dereferences NULL or stale state. | crossvul | null | c | 185 | train |
rv5_easy4_bigvul_162c377a653bb381 | easy | write_message( RenderState state )
{
ADisplay adisplay = (ADisplay)state->display.disp;
if ( state->message == NULL )
{
FontFace face = &state->faces[state->face_index];
int idx, total;
idx = face->index;
total = 1;
while ( total + state->face_index < state->nu... | CWE-787 | oob | CVE-2010-2527 | CWE-787: Out-of-bounds Write
This instance (CVE-2010-2527): write_message() uses sprintf with an unbounded "%s" of state->filename into the fixed-size state->message0 buffer, so a long filename overflows it. | bigvul | null | c/cpp | 35 | train |
rv5_easy4_bigvul_251bbb929d01628f | easy | long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a,
oggpack_buffer *b,int n,int point){
if(book->used_entries>0){
ogg_int32_t *v = book->dec_buf;//(ogg_int32_t *)alloca(sizeof(*v)*book->dim);
int i,j;
if (!v) return -1;
for(i=0;i<n;){
if(decode_map(book,b,v,point))return ... | CWE-787 | oob | CVE-2017-0814 | CWE-787: Out-of-bounds Write
This instance (CVE-2017-0814): In vorbis_book_decodev_add(), the inner loop over book->dim increments i and does a[i++]+=v[j] without checking i<n, so it reads and writes past the end of array a when n is not a multiple of dim. | bigvul | null | c/cpp | 16 | train |
rv5_easy4_bigvul_28152a3742e7d13e | easy | write_header( FT_Error error_code )
{
FT_Face face;
const char* basename;
const char* format;
error = FTC_Manager_LookupFace( handle->cache_manager,
handle->scaler.face_id, &face );
if ( error )
Fatal( "can't access font file" );
if ( !statu... | CWE-787 | oob | CVE-2010-2527 | CWE-787: Out-of-bounds Write
This instance (CVE-2010-2527): write_header() uses unbounded sprintf with %s for face->family_name, face->style_name and basename into the fixed-size status.header_buffer, so long font names from a crafted font file overflow the buffer. | bigvul | null | c/cpp | 98 | train |
rv5_easy4_bigvul_3df44f584bf9a1af | easy | xps_parse_gradient_stops(xps_document *doc, char *base_uri, fz_xml *node,
struct stop *stops, int maxcount)
{
fz_colorspace *colorspace;
float sample[8];
float rgb[3];
int before, after;
int count;
int i;
/* We may have to insert 2 extra stops when postprocessing */
m... | CWE-787 | oob | CVE-2014-2013 | CWE-787: Out-of-bounds Write
This instance (CVE-2014-2013): xps_parse_gradient_stops() passes the 8-element stack array `float sample[8]` to xps_parse_color(), which can write up to FZ_MAX_COLORS (or more) color components from an attacker-controlled Color/ContextColor attribute, overflowing the stack buffer. | bigvul | mupdf | c/cpp | 138 | train |
rv5_easy4_bigvul_5b9963bdd41e538c | easy | write_header( FT_Error error_code )
{
FT_Face face;
const char* basename;
error = FTC_Manager_LookupFace( handle->cache_manager,
handle->scaler.face_id, &face );
if ( error )
PanicZ( "can't access font file" );
if ( !status.header )
{
b... | CWE-787 | oob | CVE-2010-2527 | CWE-787: Out-of-bounds Write
This instance (CVE-2010-2527): write_header() uses unbounded sprintf "%s" to copy the font-controlled face->family_name, face->style_name and the file basename into the fixed-size status.header_buffer, overflowing it when these strings are long. | bigvul | null | c/cpp | 47 | train |
rv5_easy4_bigvul_6cb5a18fa0f6d606 | hard | void BackendImpl::OnEntryDestroyEnd() {
DecreaseNumRefs();
if (data_->header.num_bytes > max_size_ && !read_only_ &&
(up_ticks_ > kTrimDelay || user_flags_ & kNoRandom))
eviction_.TrimCache(false);
} | CWE-416 | uaf | CVE-2018-6085 | CWE-416: Use After Free
This instance (CVE-2018-6085): OnEntryDestroyEnd() calls eviction_.TrimCache() synchronously while a backend operation is still in progress, so eviction can free entries the ongoing operation still references, causing a use-after-free. | bigvul | chromium/chromium | c/cpp | 6 | train |
rv5_easy4_bigvul_913070da78d41c72 | easy | void utf32_to_utf8(const char32_t* src, size_t src_len, char* dst)
{
if (src == NULL || src_len == 0 || dst == NULL) {
return;
}
const char32_t *cur_utf32 = src;
const char32_t *end_utf32 = src + src_len;
char *cur = dst;
while (cur_utf32 < end_utf32) {
size_t len = utf32_codepoin... | CWE-787 | oob | CVE-2016-3861 | CWE-787: Out-of-bounds Write
This instance (CVE-2016-3861): utf32_to_utf8() writes each encoded codepoint via utf32_codepoint_to_utf8() into cur and then the trailing '\0' without any destination length, so dst can be overflowed when the caller's buffer is smaller than the encoded output. | bigvul | null | c/cpp | 17 | train |
rv5_easy4_bigvul_92f1ab2f0483c78d | hard | check_mountpoint(const char *progname, char *mountpoint)
{
int err;
struct stat statbuf;
/* does mountpoint exist and is it a directory? */
err = stat(mountpoint, &statbuf);
if (err) {
fprintf(stderr, "%s: failed to stat %s: %s\n", progname,
... | CWE-362 | race | CVE-2010-0787 | CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
This instance (CVE-2010-0787): check_mountpoint() stats the user-supplied mountpoint path to verify ownership and directory type, but the path is later re-resolved for mounting, so a symlink swap between check and use (... | bigvul | samba | c/cpp | 39 | train |
rv5_easy4_bigvul_c1a24db285c40af3 | hard | void BrowserContextDestroyer::FinishDestroyContext() {
DCHECK_EQ(pending_hosts_, 0U);
delete context_;
context_ = nullptr;
delete this;
} | CWE-416 | uaf | CVE-2016-1586 | CWE-416: Use After Free
This instance (CVE-2016-1586): FinishDestroyContext() deletes context_ based only on the pending_hosts_ counter (checked by a debug-only DCHECK), so RenderProcessHosts or off-the-record contexts that still reference it can use the freed BrowserContext afterwards. | bigvul | null | c/cpp | 8 | train |
rv5_easy4_bigvul_f939a64af11ba7a0 | hard | bool PrintWebViewHelper::UpdatePrintSettings(
const DictionaryValue& job_settings, bool is_preview) {
PrintMsg_PrintPages_Params settings;
Send(new PrintHostMsg_UpdatePrintSettings(routing_id(),
print_pages_params_->params.document_cookie, job_settings, &settings));
if (settings.params.dpi < kMinD... | CWE-476 | null | CVE-2011-3897 | CWE-476: NULL Pointer Dereference
This instance (CVE-2011-3897): UpdatePrintSettings() dereferences print_pages_params_->params.document_cookie when sending PrintHostMsg_UpdatePrintSettings without checking that print_pages_params_ is non-NULL. | bigvul | chromium/chromium | c/cpp | 54 | train |
rv5_easy4_cvefixes_202cc6708664a705 | easy | static void draw_block_rectangle(uint8_t *buf, int sx, int sy, int w, int h, ptrdiff_t stride, int color)
{
for (int x = sx; x < sx + w; x++)
buf[x] = color;
for (int y = sy; y < sy + h; y++) {
buf[sx] = color;
buf[sx + w - 1] = color;
buf += stride;
}
for (int x = sx; ... | CWE-787 | oob | CVE-2024-31582 | CWE-787: Out-of-bounds Write
This instance (CVE-2024-31582): After the vertical loop has advanced buf by h*stride, the final loop in draw_block_rectangle writes buf[x] one row beyond the block (row sy+h), causing an out-of-bounds write for blocks at the bottom of the frame. | cvefixes | ffmpeg/ffmpeg | c/cpp | 14 | train |
rv5_easy4_cvefixes_2a21b35b12c0ca6a | easy | static void read_version(struct pbap_data *pbap, GObexApparam *apparam)
{
const guint8 *data;
uint8_t value[16];
gsize len;
if (!(pbap->supported_features & FOLDER_VERSION_FEATURE))
return;
if (!g_obex_apparam_get_bytes(apparam, PRIMARY_COUNTER_TAG, &data,
&len)) {
len = sizeof(value);
memset(value... | CWE-787 | oob | CVE-2023-50229 | CWE-787: Out-of-bounds Write
This instance (CVE-2023-50229): read_version() memcpy()s the attacker-controlled length len returned by g_obex_apparam_get_bytes into the fixed-size pbap->primary and pbap->secondary arrays without checking that len equals their size, causing a heap buffer overflow. | cvefixes | bluez/bluez | c/cpp | 37 | train |
rv5_easy4_cvefixes_771864656a727228 | hard | Variant HHVM_METHOD(XMLReader, expand,
const Variant& basenode /* = null */) {
auto* data = Native::data<XMLReader>(this_);
req::ptr<XMLDocumentData> doc;
xmlDocPtr docp = nullptr;
SYNC_VM_REGS_SCOPED();
if (!basenode.isNull()) {
auto dombasenode = Native::data<DOMNode>(basenode.toObj... | CWE-476 | null | CVE-2019-3556 | CWE-476: NULL Pointer Dereference
This instance (CVE-2019-3556): In XMLReader::expand, the result of dombasenode->doc() is dereferenced via doc->docp() without a NULL check, so a DOMNode with no owning document causes a null pointer dereference. | cvefixes | facebook/hhvm | c/cpp | 36 | train |
rv5_easy4_cvefixes_90103e753a739876 | hard | bool fastly_compute_at_edge_http_req_downstream_tls_client_hello(
fastly_world_list_u8_t *ret, fastly_compute_at_edge_types_error_t *err) {
auto default_size = 512;
ret->ptr = static_cast<uint8_t *>(cabi_malloc(default_size, 4));
auto status = fastly::req_downstream_tls_client_hello(ret->ptr, default_size, &r... | CWE-416 | uaf | CVE-2024-38375 | CWE-416: Use After Free
This instance (CVE-2024-38375): In fastly_compute_at_edge_http_req_downstream_tls_client_hello the result of cabi_realloc is discarded, so the retry call to req_downstream_tls_client_hello writes ret->len bytes into the stale (possibly freed, only 512-byte) ret->ptr buffer. | cvefixes | fastly/js-compute-runtime | c/cpp | 11 | train |
rv5_easy4_cvefixes_ea50394b35a5a80f | hard | bool fastly_compute_at_edge_http_req_downstream_tls_protocol(
fastly_world_string_t *ret, fastly_compute_at_edge_types_error_t *err) {
auto default_size = 32;
ret->ptr = static_cast<uint8_t *>(cabi_malloc(default_size, 4));
auto status = fastly::req_downstream_tls_protocol(reinterpret_cast<char *>(ret->ptr),
... | CWE-416 | uaf | CVE-2024-38375 | CWE-416: Use After Free
This instance (CVE-2024-38375): In fastly_compute_at_edge_http_req_downstream_tls_protocol the result of cabi_realloc is discarded, so the second req_downstream_tls_protocol call writes ret->len bytes into the stale, possibly freed ret->ptr. | cvefixes | fastly/js-compute-runtime | c/cpp | 13 | train |
rv5_easy4_diversevul_0617d688f664ecf7 | easy | get_text_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
/* This version is for reading text-format PPM files with any maxval */
{
ppm_source_ptr source = (ppm_source_ptr) sinfo;
FILE * infile = source->pub.input_file;
register JSAMPROW ptr;
register JSAMPLE *rescale = source->rescale;
JDIMENSION col;
... | CWE-125 | oob | CVE-2018-11213 | CWE-125: Out-of-bounds Read
This instance (CVE-2018-11213): In get_text_rgb_row(), the unvalidated value returned by read_pbm_integer() is used as an index into source->rescale[] (sized maxval+1), so a sample value greater than maxval in a text PPM file causes an out-of-bounds read. | diversevul | libjpeg-turbo/libjpeg-turbo | c/cpp | 17 | train |
rv5_easy4_diversevul_2633341b2da6332e | hard | void dd_sanitize_mode_and_owner(struct dump_dir *dd)
{
/* Don't sanitize if we aren't run under root:
* we assume that during file creation (by whatever means,
* even by "hostname >file" in abrt_event.conf)
* normal umask-based mode setting takes care of correct mode,
* and uid:gid is, of course... | CWE-362 | race | CVE-2015-3150 | CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
This instance (CVE-2015-3150): dd_sanitize_mode_and_owner() lstat()s each entry by its path name (full_path) and then separately calls open()/fchmod() and lchown() on that same path, so a local user can replace the file... | diversevul | abrt/libreport | c/cpp | 67 | train |
rv5_easy4_diversevul_8e9ddf6eac65468b | hard | control_notify_input(struct client *c, struct window_pane *wp,
struct evbuffer *input)
{
u_char *buf;
size_t len;
struct evbuffer *message;
u_int i;
if (c->session == NULL)
return;
buf = EVBUFFER_DATA(input);
len = EVBUFFER_LENGTH(input);
/*
* Only write input if the window pane is linked to ... | CWE-476 | null | CVE-2018-19387 | CWE-476: NULL Pointer Dereference
This instance (CVE-2018-19387): control_notify_input() calls evbuffer_new() and passes the result to evbuffer_add_printf() without checking for NULL, causing a NULL pointer dereference on allocation failure. | diversevul | openbsd/src | c/cpp | 31 | train |
rv5_easy4_diversevul_99e682675faa2377 | hard | void shut(pid_t pid) {
EUID_ASSERT();
EUID_ROOT();
char *comm = pid_proc_comm(pid);
EUID_USER();
if (comm) {
if (strcmp(comm, "firejail") != 0) {
fprintf(stderr, "Error: this is not a firejail sandbox\n");
exit(1);
}
free(comm);
}
else {
fprintf(stderr, "Error: cannot find process %d\n", pid);
e... | CWE-362 | race | CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
This instance: shut() checks the process name and owner uid by pid, then later (after polling /proc/<pid>/cmdline as root for up to 11 seconds) calls kill(pid/child, SIGTERM/SIGKILL) on the bare pid, a TOCTOU race where... | diversevul | netblue30/firejail | c/cpp | 77 | train | |
rv5_easy4_diversevul_d49681cbea7e5e9b | easy | int format_expand_styles(GString *out, const char **format, int *flags)
{
int retval = 1;
char *p, fmt;
/* storage for numerical parsing code for %x/X formats. */
int tmp;
unsigned int tmp2;
fmt = **format;
switch (fmt) {
case '{':
case '}':
case '%':
/* escaped char */
g_string_append_c(out, fmt);
b... | CWE-125 | oob | CVE-2017-5193 | CWE-125: Out-of-bounds Read
This instance (CVE-2017-5193): In the '[' case, format_expand_styles calls format_expand_code(format, ...), which can leave *format at the terminating NUL of an unterminated '%[' code; without stepping back, the caller advances past the string end and reads out of bounds. | diversevul | irssi/irssi | c/cpp | 163 | train |
rv5_easy4_diversevul_ea4ffc548e3125c2 | hard | server_client_create(int fd)
{
struct client *c;
setblocking(fd, 0);
c = xcalloc(1, sizeof *c);
c->references = 1;
c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
if (gettimeofday(&c->creation_time, NULL) != 0)
fatal("gettimeofday failed");
memcpy(&c->activity_time, &c->creation_time, s... | CWE-476 | null | CVE-2018-19387 | CWE-476: NULL Pointer Dereference
This instance (CVE-2018-19387): server_client_create() stores the results of evbuffer_new() in c->stdin_data, c->stdout_data and c->stderr_data without checking for NULL, so an allocation failure leads to a later NULL pointer dereference. | diversevul | openbsd/src | c/cpp | 55 | train |
rv5_easy4_icvul_b103f0adf89f67c0 | easy | static void dhcps_send_offer(struct pbuf *packet_buffer)
{
uint8_t temp_ip = 0;
dhcp_message_repository = (struct dhcp_msg *)packet_buffer->payload;
#if (!IS_USE_FIXED_IP)
temp_ip = check_client_request_ip(&client_request_ip, client_addr);
/* create new client ip */
if(temp_ip == 0)
temp_ip = search_next_ip()... | CWE-787 | oob | CVE-2022-29859 | CWE-787: Out-of-bounds Write
This instance (CVE-2022-29859): dhcps_send_offer() casts the received discover packet_buffer->payload to dhcp_message_repository and writes the offer header and options (dhcps_initialize_message/add_msg_type/add_offer_options at options[4]) into it without ensuring the pbuf is large enough,... | icvul | ambiot/amb1_sdk | c/cpp | 30 | train |
rv5_easy4_icvul_f735b87a3cb518df | hard | const char *osdp_reply_name(int reply_id)
{
const char *name;
static const char * const names[] = {
[REPLY_ACK - REPLY_ACK] = "ACK",
[REPLY_NAK - REPLY_ACK] = "NAK",
[REPLY_PDID - REPLY_ACK] = "PDID",
[REPLY_PDCAP - REPLY_ACK] = "PDCAP",
[REPLY_LSTATR - REPLY_ACK] = "LSTATR",
[REPL... | CWE-476 | null | CVE-2024-52296 | CWE-476: NULL Pointer Dereference
This instance (CVE-2024-52296): In osdp_reply_name(), an in-range but undefined reply_id selects a NULL slot of the sparse names[] array, and name[0] is then dereferenced without a NULL check. | icvul | goToMain/libosdp | c/cpp | 39 | train |
rv5_juliet_CWE121_Stack_Based_Buffer_Overflow__CWE806_char_declare_memcpy_07 | easy | void do_work_71()
{
char * data;
char dataBuffer[100];
data = dataBuffer;
if(staticFive==5)
{
memset(data, 'A', 100-1);
data[100-1] = '\0';
}
{
char dest[50] = "";
memcpy(dest, data, strlen(data)*sizeof(char));
dest[50-1] = '\0';
... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: memcpy copies strlen(data) (99) bytes from the 100-byte data buffer into the 50-byte stack buffer dest without checking dest's size, causing a stack buffer overflow. | sard | juliet | c | 17 | train |
rv5_juliet_CWE121_Stack_Based_Buffer_Overflow__CWE806_wchar_t_alloca_memcpy_02 | easy | void compute_result_11()
{
wchar_t * data;
wchar_t * dataBuffer = (wchar_t *)ALLOCA(100*sizeof(wchar_t));
data = dataBuffer;
if(1)
{
wmemset(data, L'A', 100-1);
data[100-1] = L'\0';
}
{
wchar_t dest[50] = L"";
memcpy(dest, data, wcslen(data)*size... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: memcpy copies wcslen(data) (99) wide characters from the 100-element data buffer into the 50-element stack array dest without checking dest's size, overflowing dest. | sard | juliet | c | 17 | train |
rv5_juliet_CWE122_Heap_Based_Buffer_Overflow__c_CWE805_char_memcpy_07 | easy | void load_entry_15()
{
char * data;
data = NULL;
if(staticFive==5)
{
data = (char *)malloc(50*sizeof(char));
if (data == NULL) {exit(-1);}
data[0] = '\0';
}
{
char source[100];
memset(source, 'C', 100-1);
source[100-1] = '\0';
... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: memcpy(data, source, 100*sizeof(char)) writes 100 bytes into the 50-byte heap buffer data allocated by malloc(50), and data[100-1] is then written out of bounds. | sard | juliet | c | 20 | train |
rv5_juliet_CWE122_Heap_Based_Buffer_Overflow__c_CWE805_wchar_t_loop_18 | easy | void handle_request_14()
{
wchar_t * data;
data = NULL;
goto source;
source:
data = (wchar_t *)malloc(50*sizeof(wchar_t));
if (data == NULL) {exit(-1);}
data[0] = L'\0';
{
size_t i;
wchar_t source[100];
wmemset(source, L'C', 100-1);
source[100-1]... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: The for loop copies 100 wchar_t elements from source into data, which was malloc'd for only 50 wchar_t, and data[100-1] is then written, overflowing the heap buffer. | sard | juliet | c | 23 | train |
rv5_juliet_CWE122_Heap_Based_Buffer_Overflow__c_dest_char_cat_12 | easy | void parse_input_73()
{
char * data;
data = NULL;
if(globalReturnsTrueOrFalse())
{
data = (char *)malloc(50*sizeof(char));
if (data == NULL) {exit(-1);}
data[0] = '\0';
}
else
{
data = (char *)malloc(100*sizeof(char));
if (data == NULL) {e... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: When globalReturnsTrueOrFalse() is true, data is malloc'd with only 50 bytes, and strcat(data, source) then copies a 99-character string into it, writing past the end of the heap buffer. | sard | juliet | c | 25 | train |
rv5_juliet_CWE122_Heap_Based_Buffer_Overflow__sizeof_double_02 | easy | void process_91()
{
double * data;
data = NULL;
if(1)
{
data = (double *)malloc(sizeof(data));
if (data == NULL) {exit(-1);}
*data = 1.7E300;
}
printDoubleLine(*data);
free(data);
} | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: data is allocated with malloc(sizeof(data)), the size of a pointer rather than of a double, so the write *data = 1.7E300 can overflow the undersized heap buffer. | sard | juliet | c | 13 | train |
rv5_juliet_CWE122_Heap_Based_Buffer_Overflow__sizeof_int64_t_04 | easy | void run_task_85()
{
int64_t * data;
data = NULL;
if(STATIC_CONST_TRUE)
{
data = (int64_t *)malloc(sizeof(data));
if (data == NULL) {exit(-1);}
*data = 2147483643LL;
}
printLongLongLine(*data);
free(data);
} | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: data is allocated with malloc(sizeof(data)), the size of a pointer rather than of int64_t, so the 8-byte store `*data = 2147483643LL` can write past the allocated heap buffer. | sard | juliet | c | 13 | train |
rv5_juliet_CWE124_Buffer_Underwrite__CWE839_fscanf_08 | easy | void load_entry_31()
{
int data;
data = -1;
if(staticReturnsTrue())
{
fscanf(stdin, "%d", &data);
}
if(staticReturnsTrue())
{
{
int i;
int buffer[10] = { 0 };
if (data < 10)
{
buffer[data] = 1;
... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: data read via fscanf is checked only for data < 10 (no lower bound), so a negative value makes buffer[data] = 1 write out of bounds below the stack array buffer. | sard | juliet | c | 28 | train |
rv5_juliet_CWE124_Buffer_Underwrite__malloc_char_loop_01 | easy | void apply_config_97()
{
char * data;
data = NULL;
{
char * dataBuffer = (char *)malloc(100*sizeof(char));
if (dataBuffer == NULL) {exit(-1);}
memset(dataBuffer, 'A', 100-1);
dataBuffer[100-1] = '\0';
data = dataBuffer - 8;
}
{
size_t i;
... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: data is set to dataBuffer - 8, so the copy loop writing data[i] for i in 0..99 writes 8 bytes before the start of the heap-allocated dataBuffer (buffer underwrite). | sard | juliet | c | 24 | train |
rv5_juliet_CWE124_Buffer_Underwrite__malloc_wchar_t_cpy_10 | easy | void run_task_86()
{
wchar_t * data;
data = NULL;
if(globalTrue)
{
{
wchar_t * dataBuffer = (wchar_t *)malloc(100*sizeof(wchar_t));
if (dataBuffer == NULL) {exit(-1);}
wmemset(dataBuffer, L'A', 100-1);
dataBuffer[100-1] = L'\0';
... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: data is set to dataBuffer - 8, before the start of the malloc'd buffer, and wcscpy(data, source) then writes to memory before the heap buffer (buffer underwrite). | sard | juliet | c | 22 | train |
rv5_juliet_CWE124_Buffer_Underwrite__wchar_t_alloca_memmove_16 | easy | void do_work_97()
{
wchar_t * data;
wchar_t * dataBuffer = (wchar_t *)ALLOCA(100*sizeof(wchar_t));
wmemset(dataBuffer, L'A', 100-1);
dataBuffer[100-1] = L'\0';
while(1)
{
data = dataBuffer - 8;
break;
}
{
wchar_t source[100];
wmemset(source, L... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: data is set to dataBuffer - 8, so memmove(data, source, 100*sizeof(wchar_t)) writes before the start of the stack-allocated dataBuffer (buffer underwrite). | sard | juliet | c | 20 | train |
rv5_juliet_CWE124_Buffer_Underwrite__wchar_t_declare_loop_01 | easy | void run_task_61()
{
wchar_t * data;
wchar_t dataBuffer[100];
wmemset(dataBuffer, L'A', 100-1);
dataBuffer[100-1] = L'\0';
data = dataBuffer - 8;
{
size_t i;
wchar_t source[100];
wmemset(source, L'C', 100-1);
source[100-1] = L'\0';
for (i = 0... | CWE-787 | oob | null | CWE-787: Out-of-bounds Write
This instance: data is set to dataBuffer - 8, and the loop writing data[i] for i in 0..99 writes before the start of the stack array dataBuffer (buffer underwrite). | sard | juliet | c | 20 | train |
rv5_juliet_CWE126_Buffer_Overread__malloc_char_memcpy_03 | easy | void do_work_45()
{
char * data;
data = NULL;
if(5==5)
{
data = (char *)malloc(50*sizeof(char));
if (data == NULL) {exit(-1);}
memset(data, 'A', 50-1);
data[50-1] = '\0';
}
{
char dest[100];
memset(dest, 'C', 100-1);
dest[100... | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: memcpy(dest, data, strlen(dest)) copies 99 bytes from the 50-byte heap buffer data, reading past the end of its allocation. | sard | juliet | c | 21 | train |
rv5_juliet_CWE127_Buffer_Underread__char_declare_loop_31 | easy | void do_work_90()
{
char * data;
char dataBuffer[100];
memset(dataBuffer, 'A', 100-1);
dataBuffer[100-1] = '\0';
data = dataBuffer - 8;
{
char * dataCopy = data;
char * data = dataCopy;
{
size_t i;
char dest[100];
memset(de... | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: data is set to dataBuffer - 8, so the loop copying data[i] into dest reads memory before the start of dataBuffer (buffer under-read). | sard | juliet | c | 24 | train |
rv5_juliet_CWE127_Buffer_Underread__malloc_char_memcpy_01 | easy | void do_work_66()
{
char * data;
data = NULL;
{
char * dataBuffer = (char *)malloc(100*sizeof(char));
if (dataBuffer == NULL) {exit(-1);}
memset(dataBuffer, 'A', 100-1);
dataBuffer[100-1] = '\0';
data = dataBuffer - 8;
}
{
char dest[100];
... | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: data is set to dataBuffer - 8, so memcpy(dest, data, 100) reads 8 bytes before the start of the malloc'd heap buffer (buffer under-read). | sard | juliet | c | 20 | train |
rv5_juliet_CWE127_Buffer_Underread__malloc_char_memcpy_18 | easy | void run_task_35()
{
char * data;
data = NULL;
goto source;
source:
{
char * dataBuffer = (char *)malloc(100*sizeof(char));
if (dataBuffer == NULL) {exit(-1);}
memset(dataBuffer, 'A', 100-1);
dataBuffer[100-1] = '\0';
data = dataBuffer - 8;
}
{... | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: data is set to dataBuffer - 8, before the start of the malloc'd buffer, and memcpy(dest, data, 100) then reads memory before the buffer (buffer underread). | sard | juliet | c | 22 | train |
rv5_juliet_CWE127_Buffer_Underread__malloc_wchar_t_memcpy_11 | easy | void update_state_44()
{
wchar_t * data;
data = NULL;
if(globalReturnsTrue())
{
{
wchar_t * dataBuffer = (wchar_t *)malloc(100*sizeof(wchar_t));
if (dataBuffer == NULL) {exit(-1);}
wmemset(dataBuffer, L'A', 100-1);
dataBuffer[100-1] = L'\0... | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: data is set to dataBuffer - 8 (before the start of the malloc'd buffer), and memcpy(dest, data, 100*sizeof(wchar_t)) reads memory before the heap allocation. | sard | juliet | c | 23 | train |
rv5_juliet_CWE127_Buffer_Underread__malloc_wchar_t_memmove_12 | easy | void service_step_61()
{
wchar_t * data;
data = NULL;
if(globalReturnsTrueOrFalse())
{
{
wchar_t * dataBuffer = (wchar_t *)malloc(100*sizeof(wchar_t));
if (dataBuffer == NULL) {exit(-1);}
wmemset(dataBuffer, L'A', 100-1);
dataBuffer[100-1]... | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: data is set to dataBuffer - 8 (before the start of the malloc'd buffer), and memmove(dest, data, 100*sizeof(wchar_t)) reads memory before the buffer start. | sard | juliet | c | 33 | train |
rv5_juliet_CWE127_Buffer_Underread__wchar_t_declare_loop_08 | easy | void update_state_66()
{
wchar_t * data;
wchar_t dataBuffer[100];
wmemset(dataBuffer, L'A', 100-1);
dataBuffer[100-1] = L'\0';
if(staticReturnsTrue())
{
data = dataBuffer - 8;
}
{
size_t i;
wchar_t dest[100];
wmemset(dest, L'C', 100-1);
... | CWE-125 | oob | null | CWE-125: Out-of-bounds Read
This instance: data is set to dataBuffer - 8, so the copy loop reading data[i] into dest reads memory before the start of the stack buffer dataBuffer (buffer under-read). | sard | juliet | c | 23 | train |
rv5_juliet_CWE401_Memory_Leak__char_malloc_11 | hard | void update_state_15()
{
char * data;
data = NULL;
if(globalReturnsTrue())
{
data = (char *)malloc(100*sizeof(char));
if (data == NULL) {exit(-1);}
strcpy(data, "A String");
printLine(data);
}
if(globalReturnsTrue())
{
;
}
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: The heap buffer `data` allocated with malloc(100) is never freed: the second globalReturnsTrue() block is an empty statement, so the memory leaks when update_state_15() returns. | sard | juliet | c | 16 | train |
rv5_juliet_CWE401_Memory_Leak__char_malloc_16 | hard | void service_step_47()
{
char * data;
data = NULL;
while(1)
{
data = (char *)malloc(100*sizeof(char));
if (data == NULL) {exit(-1);}
strcpy(data, "A String");
printLine(data);
break;
}
while(1)
{
;
break;
}
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: The buffer allocated with malloc into data is never freed before service_step_47() returns, leaking memory. | sard | juliet | c | 18 | train |
rv5_juliet_CWE401_Memory_Leak__char_realloc_07 | hard | void do_work_74()
{
char * data;
data = NULL;
if(staticFive==5)
{
data = (char *)realloc(data, 100*sizeof(char));
if (data == NULL) {exit(-1);}
strcpy(data, "A String");
printLine(data);
}
if(staticFive==5)
{
;
}
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: In do_work_74(), the buffer `data` allocated with realloc() is never freed before the function returns, leaking the memory. | sard | juliet | c | 16 | train |
rv5_juliet_CWE401_Memory_Leak__char_realloc_08 | hard | void parse_input_34()
{
char * data;
data = NULL;
if(staticReturnsTrue())
{
data = (char *)realloc(data, 100*sizeof(char));
if (data == NULL) {exit(-1);}
strcpy(data, "A String");
printLine(data);
}
if(staticReturnsTrue())
{
;
}
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: The 100-byte buffer allocated into data via realloc() in parse_input_34() is never freed before the function returns, leaking memory. | sard | juliet | c | 16 | train |
rv5_juliet_CWE401_Memory_Leak__char_realloc_10 | hard | void process_93()
{
char * data;
data = NULL;
if(globalTrue)
{
data = (char *)realloc(data, 100*sizeof(char));
if (data == NULL) {exit(-1);}
strcpy(data, "A String");
printLine(data);
}
if(globalTrue)
{
;
}
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: The buffer allocated with realloc() into data in process_93() is never freed before the function returns, because the second globalTrue block is empty, so the memory leaks. | sard | juliet | c | 16 | train |
rv5_juliet_CWE401_Memory_Leak__int64_t_calloc_14 | hard | void service_step_12()
{
int64_t * data;
data = NULL;
if(globalFive==5)
{
data = (int64_t *)calloc(100, sizeof(int64_t));
if (data == NULL) {exit(-1);}
data[0] = 5LL;
printLongLongLine(data[0]);
}
if(globalFive==5)
{
;
}
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: The buffer `data` allocated with calloc(100, sizeof(int64_t)) is never freed before service_step_12() returns, leaking memory. | sard | juliet | c | 16 | train |
rv5_juliet_CWE401_Memory_Leak__int64_t_malloc_01 | hard | void run_task_88()
{
int64_t * data;
data = NULL;
data = (int64_t *)malloc(100*sizeof(int64_t));
if (data == NULL) {exit(-1);}
data[0] = 5LL;
printLongLongLine(data[0]);
;
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: The heap buffer allocated with malloc into data in run_task_88() is never freed before the function returns, leaking memory. | sard | juliet | c | 10 | train |
rv5_juliet_CWE401_Memory_Leak__int_realloc_03 | hard | void update_state_38()
{
int * data;
data = NULL;
if(5==5)
{
data = (int *)realloc(data, 100*sizeof(int));
if (data == NULL) {exit(-1);}
data[0] = 5;
printIntLine(data[0]);
}
if(5==5)
{
;
}
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: Memory allocated to data via realloc() in update_state_38() is never freed before the function returns, leaking the buffer. | sard | juliet | c | 16 | train |
rv5_juliet_CWE401_Memory_Leak__struct_twoIntsStruct_calloc_14 | hard | void compute_result_32()
{
struct _twoIntsStruct * data;
data = NULL;
if(globalFive==5)
{
data = (struct _twoIntsStruct *)calloc(100, sizeof(struct _twoIntsStruct));
if (data == NULL) {exit(-1);}
data[0].intOne = 0;
data[0].intTwo = 0;
printStructLine((tw... | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: The buffer data allocated with calloc in compute_result_32() is never freed; the second globalFive==5 block does nothing instead of calling free(data), so the memory leaks. | sard | juliet | c | 17 | train |
rv5_juliet_CWE401_Memory_Leak__wchar_t_malloc_01 | hard | void update_state_24()
{
wchar_t * data;
data = NULL;
data = (wchar_t *)malloc(100*sizeof(wchar_t));
if (data == NULL) {exit(-1);}
wcscpy(data, L"A String");
printWLine(data);
;
} | CWE-401 | leak | null | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance: The buffer `data` allocated with malloc(100*sizeof(wchar_t)) in update_state_24() is never freed before the function returns, leaking memory. | sard | juliet | c | 10 | train |
rv5_juliet_CWE416_Use_After_Free__malloc_free_char_01 | hard | void parse_input_62()
{
char * data;
data = NULL;
data = (char *)malloc(100*sizeof(char));
if (data == NULL) {exit(-1);}
memset(data, 'A', 100-1);
data[100-1] = '\0';
free(data);
printLine(data);
} | CWE-416 | uaf | null | CWE-416: Use After Free
This instance: In parse_input_62(), data is freed with free(data) and then immediately passed to printLine(data), which reads the freed heap memory (use after free). | sard | juliet | c | 11 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__double_array_alloca_no_init_02 | hard | void process_72()
{
double * data;
data = (double *)ALLOCA(10*sizeof(double));
if(1)
{
;
}
if(1)
{
{
int i;
for(i=0; i<10; i++)
{
printDoubleLine(data[i]);
}
}
}
} | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The ALLOCA'd array data is never initialized (the init branch is empty) before its 10 elements are read and printed via printDoubleLine(data[i]). | sard | juliet | c | 19 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__double_array_alloca_no_init_04 | hard | void process_65()
{
double * data;
data = (double *)ALLOCA(10*sizeof(double));
if(STATIC_CONST_TRUE)
{
;
}
if(STATIC_CONST_TRUE)
{
{
int i;
for(i=0; i<10; i++)
{
printDoubleLine(data[i]);
}
... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The ALLOCA'd double array data is never initialized (the init branch is empty) before its 10 elements are read and printed via printDoubleLine(data[i]). | sard | juliet | c | 19 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__double_array_alloca_no_init_05 | hard | void apply_config_92()
{
double * data;
data = (double *)ALLOCA(10*sizeof(double));
if(staticTrue)
{
;
}
if(staticTrue)
{
{
int i;
for(i=0; i<10; i++)
{
printDoubleLine(data[i]);
}
}
... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: In apply_config_92(), the ALLOCA'd array data is never initialized, yet data[i] is read and printed via printDoubleLine in the loop. | sard | juliet | c | 19 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__double_array_alloca_no_init_07 | hard | void handle_request_73()
{
double * data;
data = (double *)ALLOCA(10*sizeof(double));
if(staticFive==5)
{
;
}
if(staticFive==5)
{
{
int i;
for(i=0; i<10; i++)
{
printDoubleLine(data[i]);
}
... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The alloca'd double array data is never initialized, yet handle_request_73() reads and prints data[0..9] via printDoubleLine, using uninitialized memory. | sard | juliet | c | 19 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__double_array_alloca_no_init_15 | hard | void handle_request_62()
{
double * data;
data = (double *)ALLOCA(10*sizeof(double));
switch(6)
{
case 6:
;
break;
default:
printLine("Benign, fixed string");
break;
}
switch(7)
{
case 7:
{
int i;
for(i=0; i<1... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The ALLOCA'd array data is never initialized (case 6 is empty), yet all 10 elements data[i] are read and printed via printDoubleLine in the second switch. | sard | juliet | c | 29 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__double_array_alloca_partial_init_10 | hard | void apply_config_59()
{
double * data;
data = (double *)ALLOCA(10*sizeof(double));
if(globalTrue)
{
{
int i;
for(i=0; i<(10/2); i++)
{
data[i] = (double)i;
}
}
}
if(globalTrue)
{
{
... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: In apply_config_59(), only data[0..4] of the alloca'd 10-double buffer are initialized, yet the second loop reads and prints data[0..9], using uninitialized elements data[5..9]. | sard | juliet | c | 25 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__int_array_alloca_no_init_05 | hard | void do_work_83()
{
int * data;
data = (int *)ALLOCA(10*sizeof(int));
if(staticTrue)
{
;
}
if(staticTrue)
{
{
int i;
for(i=0; i<10; i++)
{
printIntLine(data[i]);
}
}
}
} | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The int array data allocated via ALLOCA is never initialized (the first staticTrue branch is empty) before data[i] is read and printed in the loop. | sard | juliet | c | 19 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__int_array_alloca_partial_init_02 | hard | void service_step_93()
{
int * data;
data = (int *)ALLOCA(10*sizeof(int));
if(1)
{
{
int i;
for(i=0; i<(10/2); i++)
{
data[i] = i;
}
}
}
if(1)
{
{
int i;
for(i=0;... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: Only the first half of the alloca'd array data is initialized (loop to 10/2), but the second loop reads and prints all 10 elements, using uninitialized data[5..9]. | sard | juliet | c | 25 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__int_array_malloc_no_init_18 | hard | void compute_result_12()
{
int * data;
data = (int *)malloc(10*sizeof(int));
if (data == NULL) {exit(-1);}
goto source;
source:
;
goto sink;
sink:
{
int i;
for(i=0; i<10; i++)
{
printIntLine(data[i]);
}
}
} | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The malloc'd buffer data is never initialized, yet data[i] is read and printed in the sink loop, using uninitialized memory. | sard | juliet | c | 18 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__struct_array_alloca_no_init_02 | hard | void compute_result_65()
{
twoIntsStruct * data;
data = (twoIntsStruct *)ALLOCA(10*sizeof(twoIntsStruct));
if(1)
{
;
}
if(1)
{
{
int i;
for(i=0; i<10; i++)
{
printIntLine(data[i].intOne);
prin... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The ALLOCA'd array data is never initialized (the initialization branch is empty), yet the loop reads and prints data[i].intOne and data[i].intTwo. | sard | juliet | c | 20 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__struct_array_alloca_no_init_03 | hard | void handle_request_14()
{
twoIntsStruct * data;
data = (twoIntsStruct *)ALLOCA(10*sizeof(twoIntsStruct));
if(5==5)
{
;
}
if(5==5)
{
{
int i;
for(i=0; i<10; i++)
{
printIntLine(data[i].intOne);
... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The ALLOCA'd twoIntsStruct array 'data' is never initialized before its intOne and intTwo fields are read and printed in the loop. | sard | juliet | c | 20 | train |
rv5_juliet_CWE457_Use_of_Uninitialized_Variable__struct_array_alloca_no_init_10 | hard | void apply_config_94()
{
twoIntsStruct * data;
data = (twoIntsStruct *)ALLOCA(10*sizeof(twoIntsStruct));
if(globalTrue)
{
;
}
if(globalTrue)
{
{
int i;
for(i=0; i<10; i++)
{
printIntLine(data[i].intOne);
... | CWE-908 | uninit | null | CWE-908: Use of Uninitialized Resource
This instance: The ALLOCA'd twoIntsStruct array data is never initialized (the first globalTrue branch is empty), yet its intOne/intTwo fields are read and printed in the loop. | sard | juliet | c | 20 | train |
rv5_juliet_CWE690_NULL_Deref_From_Return__int64_t_malloc_11 | hard | void load_entry_70()
{
int64_t * data;
data = NULL;
data = (int64_t *)malloc(1*sizeof(int64_t));
if(globalReturnsTrue())
{
data[0] = 5LL;
printLongLongLine(data[0]);
free(data);
}
} | CWE-476 | null | null | CWE-476: NULL Pointer Dereference
This instance: The return value of malloc() assigned to data is not checked for NULL before data[0] is written and read in load_entry_70(), causing a NULL pointer dereference if allocation fails. | sard | juliet | c | 12 | train |
rv5_megavul_102315 | hard | static int
unregister_mem_int(struct mmio_rb_tree *rbt, struct mem_range *memp)
{
struct mem_range *mr;
struct mmio_rb_range *entry = NULL;
int err;
pthread_rwlock_wrlock(&mmio_rwlock);
err = mmio_rb_lookup(rbt, memp->base, &entry);
if (err == 0) {
mr = &entry->mr_param;
if (strncmp(mr->name, memp->name, MEM... | CWE-416 | uaf | CVE-2021-36145 | CWE-416: Use After Free
This instance (CVE-2021-36145): In unregister_mem_int(), entry is freed after the lock is released even when the validation check fails and RB_REMOVE was not called, leaving a freed node in the mmio rb tree that later traversals use. | megavul | projectacrn/acrn-hypervisor | c | 30 | train |
rv5_megavul_10555 | hard | int
SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
unsigned int *nbytes, struct kvec *iov, int n_vec)
{
struct smb_rqst rqst;
int rc = 0;
struct smb2_write_req *req = NULL;
struct smb2_write_rsp *rsp = NULL;
int resp_buftype;
struct kvec rsp_iov;
int flags = 0;
unsigned int total_len;
... | CWE-416 | uaf | CVE-2019-15919 | CWE-416: Use After Free
This instance (CVE-2019-15919): SMB2_write() frees req via cifs_small_buf_release(req) immediately after cifs_send_recv() and then dereferences req->PersistentFileId in the trace_smb3_write_err/trace_smb3_write_done calls. | megavul | torvalds/linux | c | 77 | train |
rv5_megavul_10596 | hard | static int pf_detect(void)
{
struct pf_unit *pf = units;
int k, unit;
printk("%s: %s version %s, major %d, cluster %d, nice %d\n",
name, name, PF_VERSION, major, cluster, nice);
par_drv = pi_register_driver(name);
if (!par_drv) {
pr_err("failed to register %s driver\n", name);
return -1;
}
k = 0;
... | CWE-476 | null | CVE-2019-15922 | CWE-476: NULL Pointer Dereference
This instance (CVE-2019-15922): In pf_detect()'s 'No ATAPI disk detected' cleanup loop, pf->disk->queue is dereferenced for every unit without checking that pf->disk is non-NULL, which it is when alloc_disk failed. | megavul | torvalds/linux | c | 52 | train |
rv5_megavul_108011 | hard | int
net_bind(short unsigned *port, int type, const char *log_service_name)
{
struct addrinfo hints = { 0 };
struct addrinfo *servinfo;
struct addrinfo *ptr;
const char *cfgaddr;
char addr[INET6_ADDRSTRLEN];
char strport[8];
int yes = 1;
int no = 0;
int fd;
int ret;
cfgaddr = cfg_getstr(cfg_getsec... | CWE-416 | uaf | CVE-2021-38383 | CWE-416: Use After Free
This instance (CVE-2021-38383): net_bind() calls freeaddrinfo(servinfo) and then still uses ptr (an element of that freed list), passing ptr->ai_addr and ptr->ai_addrlen to getsockname(), net_port_get() and net_address_get(). | megavul | owntone/owntone-server | c | 88 | train |
rv5_megavul_111967 | easy | int writelogentry(PFTPCONTEXT context, const char *logtext1, const char *logtext2)
{
char cvbuf[32], _text[512];
time_t itm = time(NULL);
struct tm ltm;
localtime_r(&itm, <m);
_text[0] = 0;
if ( ltm.tm_mday < 10 )
strcat(_text, "0");
ultostr(ltm.tm_mday, cvbuf);
strcat(_text, cvbuf);
strcat(_text, "-"... | CWE-787 | oob | CVE-2017-1000218 | CWE-787: Out-of-bounds Write
This instance (CVE-2017-1000218): writelogentry() strcat's attacker-influenced logtext1/logtext2 into the fixed 512-byte stack buffer _text without any length check, causing a stack buffer overflow. | megavul | hfiref0x/LightFTP | c | 60 | train |
rv5_megavul_112048 | hard | static gboolean
on_unregister_handler(TCMUService1HandlerManager1 *interface,
GDBusMethodInvocation *invocation,
gchar *subtype,
gpointer user_data)
{
struct tcmur_handler *handler = find_handler_by_subtype(subtype);
struct dbus_info *info = handler->opaque;
if (!handler) {
g_dbus_method_i... | CWE-476 | null | CVE-2017-1000201 | CWE-476: NULL Pointer Dereference
This instance (CVE-2017-1000201): In on_unregister_handler(), handler->opaque is dereferenced before the !handler check, so a NULL return from find_handler_by_subtype() for an unknown subtype causes a NULL pointer dereference. | megavul | open-iscsi/tcmu-runner | c | 24 | train |
rv5_megavul_113834 | easy | void fli_read_lc(FILE *f, s_fli_header *fli_header, unsigned char *old_framebuf, unsigned char *framebuf)
{
unsigned short yc, firstline, numline;
unsigned char *pos;
memcpy(framebuf, old_framebuf, fli_header->width * fli_header->height);
firstline = fli_read_short(f);
numline = fli_read_short(f);
for (yc=0; yc <... | CWE-787 | oob | CVE-2017-17785 | CWE-787: Out-of-bounds Write
This instance (CVE-2017-17785): fli_read_lc() uses file-supplied firstline/numline and per-packet skip/ps counts to compute pos and xc without checking them against fli_header->width*height, so memset(&pos[xc],...) and fread(&pos[xc],...) write past the end of the heap buffer framebuf. | megavul | GNOME/gimp | c | 30 | train |
rv5_megavul_113836 | easy | void fli_read_lc_2(FILE *f, s_fli_header *fli_header, unsigned char *old_framebuf, unsigned char *framebuf)
{
unsigned short yc, lc, numline;
unsigned char *pos;
memcpy(framebuf, old_framebuf, fli_header->width * fli_header->height);
yc=0;
numline = fli_read_short(f);
for (lc=0; lc < numline; lc++) {
unsigned s... | CWE-787 | oob | CVE-2017-17785 | CWE-787: Out-of-bounds Write
This instance (CVE-2017-17785): In fli_read_lc_2() the file-controlled line counter yc and column offset xc (advanced by skip and packet counts) are never bounded by fli_header->width*height, so pos[xc++]=v1/v2, fread(&pos[xc],ps,2,f) and pos[xc]=lpn write past the end of the heap buffer fr... | megavul | GNOME/gimp | c | 45 | train |
rv5_megavul_121925 | easy | static int
same_leader(
linenr_T lnum,
int leader1_len,
char_u *leader1_flags,
int leader2_len,
char_u *leader2_flags)
{
int idx1 = 0, idx2 = 0;
char_u *p;
char_u *line1;
char_u *line2;
if (leader1_len == 0)
return (leader2_len == 0);
// If first leader ha... | CWE-125 | oob | CVE-2023-0433 | CWE-125: Out-of-bounds Read
This instance (CVE-2023-0433): In same_leader(), the COM_START branch dereferences ml_get(lnum) + leader1_len without checking that leader1_len is within the line length, reading past the end of the heap line buffer. | megavul | vim | c | 66 | train |
rv5_megavul_12259 | easy | static int
lmp_print_data_link_subobjs(netdissect_options *ndo, const u_char *obj_tptr,
int total_subobj_len, int offset)
{
int hexdump = FALSE;
int subobj_type, subobj_len;
union { /* int to float conversion buffer */
float f;
uint32_t i;
} bw;
while (t... | CWE-125 | oob | CVE-2018-14464 | CWE-125: Out-of-bounds Read
This instance (CVE-2018-14464): In the INT_SWITCHING_TYPE_SUBOBJ case, lmp_print_data_link_subobjs() calls EXTRACT_32BITS(obj_tptr+offset+4) for the bandwidth fields without a bounds check against the captured data, so it reads past the end of the packet buffer. | megavul | the-tcpdump-group/tcpdump | c | 66 | train |
rv5_megavul_123183 | easy | char *gf_text_get_utf8_line(char *szLine, u32 lineSize, FILE *txt_in, s32 unicode_type)
{
u32 i, j, len;
char *sOK;
char szLineConv[2048];
unsigned short *sptr;
memset(szLine, 0, sizeof(char)*lineSize);
sOK = gf_fgets(szLine, lineSize, txt_in);
if (!sOK) return NULL;
if (unicode_type<=1) {
j=0;
len = (u32)... | CWE-787 | oob | CVE-2023-0818 | CWE-787: Out-of-bounds Write
This instance (CVE-2023-0818): In gf_text_get_utf8_line(), the UTF-8 multi-byte branches write several bytes into the stack buffer szLineConv[2048] while the only bound check on j sits after the final copy, so a long line with multi-byte characters writes past the end of szLineConv. | megavul | gpac | c | 91 | train |
rv5_megavul_124147 | hard | static int dwc3_qcom_acpi_register_core(struct platform_device *pdev)
{
struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
struct resource *res, *child_res = NULL;
struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb :
pdev;
int irq;
int ret;
qcom-... | CWE-401 | leak | CVE-2023-22995 | CWE-401: Missing Release of Memory after Effective Lifetime (memory leak)
This instance (CVE-2023-22995): In dwc3_qcom_acpi_register_core(), the platform device qcom->dwc3 obtained from platform_device_alloc() is never released with platform_device_put() on error paths (kcalloc failure and every goto out failure), leak... | megavul | torvalds/linux | c | 66 | train |
rv5_megavul_124452 | hard | int
win_new_tabpage(int after)
{
tabpage_T *tp = curtab;
tabpage_T *prev_tp = curtab;
tabpage_T *newtp;
int n;
newtp = alloc_tabpage();
if (newtp == NULL)
return FAIL;
// Remember the current windows in this Tab page.
if (leave_tabpage(curbuf, TRUE) == FAIL)
{
vim_free(newtp);
... | CWE-476 | null | CVE-2022-0696 | CWE-476: NULL Pointer Dereference
This instance (CVE-2022-0696): win_new_tabpage() does not reject being called while the command-line window is active (cmdwin_type != 0), so it switches curtab/curwin out from under the cmdline window and a NULL pointer dereference follows. | megavul | vim | c | 77 | train |
rv5_megavul_134546 | easy | static int
read_data_section (Bit_Chain *sec_dat, Bit_Chain *dat,
r2007_section *restrict sections_map,
r2007_page *restrict pages_map, Dwg_Section_Type sec_type)
{
r2007_section *section;
r2007_page *page;
uint64_t max_decomp_size;
BITCODE_RC *decomp;
int error = 0, i;
... | CWE-787 | oob | CVE-2021-42586 | CWE-787: Out-of-bounds Write
This instance (CVE-2021-42586): read_data_section() writes section_page->uncomp_size bytes into the decomp heap buffer at decomp[section_page->offset] via read_data_page/memcpy without checking that the page fits within max_decomp_size (section->data_size), causing a heap buffer overflow. | megavul | LibreDWG/libredwg | c | 91 | train |
rv5_megavul_13559 | hard | static int
parseuid(const char *s, uid_t *uid)
{
struct passwd *pw;
const char *errstr;
if ((pw = getpwnam(s)) != NULL) {
*uid = pw->pw_uid;
return 0;
}
#if !defined(__linux__) && !defined(__NetBSD__)
*uid = strtonum(s, 0, UID_MAX, &errstr);
#else
sscanf(s, "%d", uid);
#endif
if (errstr)
return -1;
re... | CWE-908 | uninit | CVE-2019-15900 | CWE-908: Use of Uninitialized Resource
This instance (CVE-2019-15900): In parseuid(), on Linux/NetBSD the sscanf() return value is ignored and the uninitialized pointer errstr is tested instead, so a failed parse of a nonexistent user name can return success with an unset uid (e.g. root). | megavul | slicer69/doas | c | 19 | train |
rv5_megavul_13652 | easy | int
idn2_to_ascii_4i (const uint32_t * input, size_t inlen, char * output, int flags)
{
uint32_t *input_u32;
uint8_t *input_u8, *output_u8;
size_t length;
int rc;
if (!input)
{
if (output)
*output = 0;
return IDN2_OK;
}
input_u32 = (uint32_t *) malloc ((inlen + 1) * sizeof(uint32_t));... | CWE-787 | oob | CVE-2019-18224 | CWE-787: Out-of-bounds Write
This instance (CVE-2019-18224): idn2_to_ascii_4i() strcpy()s the lookup result output_u8 into the caller's output buffer (documented as 64 bytes) without checking that its length is at most 63, causing a buffer overflow for long domains. | megavul | libidn/libidn2 | c | 48 | train |
rv5_megavul_14284 | hard | bool Jsi_ValueIsNumber(Jsi_Interp *interp, Jsi_Value *pv)
{
return (pv->vt == JSI_VT_NUMBER || (pv->vt == JSI_VT_OBJECT && pv->d.obj->ot == JSI_OT_NUMBER));
} | CWE-476 | null | CVE-2021-46485 | CWE-476: NULL Pointer Dereference
This instance (CVE-2021-46485): Jsi_ValueIsNumber() dereferences pv->vt without first checking that pv is non-NULL, so a caller passing a NULL value causes a segfault. | megavul | pcmacdon/jsish | c | 4 | train |
rv5_megavul_146922 | hard | static char *skip_white(char *s)
{
while(*s)
{
if(*s == '\n' || *s == '\r') return NULL;
if(isspace(*s)) { ++s; continue; }
return s;
}
return NULL;
} | CWE-476 | null | CVE-2016-7445 | CWE-476: NULL Pointer Dereference
This instance (CVE-2016-7445): skip_white() dereferences its argument s in `while(*s)` without a NULL check, so the NULL returned by a prior skip_int/skip_white on malformed PNM header input crashes it. | megavul | uclouvain/openjpeg | c | 10 | train |
rv5_megavul_150898 | easy | void
addMultirowsForm(Buffer *buf, AnchorList *al)
{
int i, j, k, col, ecol, pos;
Anchor a_form, *a;
Line *l, *ls;
if (al == NULL || al->nanchor == 0)
return;
for (i = 0; i < al->nanchor; i++) {
a_form = al->anchors[i];
al->anchors[i].rows = 1;
if (a_form.hseq < 0 || a_form.rows <= 1)
cont... | CWE-787 | oob | CVE-2016-9425 | CWE-787: Out-of-bounds Write
This instance (CVE-2016-9425): In addMultirowsForm, pos (from columnPos) and a->end.pos (pos + ecol - col) are used to write l->lineBuf[pos - 1], l->lineBuf[a->end.pos] and l->propBuf[k] without checking pos >= 1 or end.pos < l->size, causing a heap buffer overflow. | megavul | tats/w3m | c | 54 | train |
rv5_megavul_15307 | hard | static int rtsx_usb_ms_drv_probe(struct platform_device *pdev)
{
struct memstick_host *msh;
struct rtsx_usb_ms *host;
struct rtsx_ucr *ucr;
int err;
ucr = usb_get_intfdata(to_usb_interface(pdev->dev.parent));
if (!ucr)
return -ENXIO;
dev_dbg(&(pdev->dev),
"Realtek USB Memstick controller found\n");
msh ... | CWE-416 | uaf | CVE-2022-0487 | CWE-416: Use After Free
This instance (CVE-2022-0487): In the err_out path of rtsx_usb_ms_drv_probe(), memstick_free_host(msh) frees the host (whose private area holds host) before pm_runtime_disable(ms_dev(host)) and pm_runtime_put_noidle(ms_dev(host)) dereference it. | megavul | torvalds/linux | c | 51 | train |
rv5_megavul_153266 | easy | int
rewrite_packets(tcpedit_t *tcpedit, pcap_t *pin, pcap_dumper_t *pout)
{
tcpr_dir_t cache_result = TCPR_DIR_C2S; /* default to primary */
struct pcap_pkthdr pkthdr, *pkthdr_ptr; /* packet header */
const u_char *pktconst = NULL; /* packet from libpcap */
u_char **pktdata = NULL;
... | CWE-787 | oob | CVE-2016-6160 | CWE-787: Out-of-bounds Write
This instance (CVE-2016-6160): In rewrite_packets(), memcpy(*pktdata, pktconst, pkthdr.caplen) copies an attacker-controlled caplen from the pcap file into the MAXPACKET-sized pktdata_buff without checking caplen against MAXPACKET, causing a heap buffer overflow. | megavul | appneta/tcpreplay | c | 106 | train |
rv5_megavul_156146 | hard | void MutationObserverInterestGroup::enqueueMutationRecord(PassRefPtrWillBeRawPtr<MutationRecord> prpMutation)
{
RefPtrWillBeRawPtr<MutationRecord> mutation = prpMutation;
RefPtrWillBeRawPtr<MutationRecord> mutationWithNullOldValue = nullptr;
for (auto& iter : m_observers) {
MutationObserver* observe... | CWE-416 | uaf | CVE-2015-6789 | CWE-416: Use After Free
This instance (CVE-2015-6789): MutationObserverInterestGroup::enqueueMutationRecord() takes raw MutationObserver* keys from m_observers and calls observer->enqueueMutationRecord() on them, even though the observer may have been freed because the group held no strong reference to it. | megavul | chromium | cpp | 19 | train |
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