RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-01-09 08:39:41 +00:00
Code Issues Projects Releases Wiki Activity

avformat/utils: Fix potential integer overflow in extract_extradata()

Browse Source 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-09-27 00:00:26 +02:00
parent b4a1ccfc41
commit 0a41a8bf29
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/utils.c
View File

@ -3544,6 +3544,8 @@ static int extract_extradata(AVStream *st, AVPacket *pkt)
&extradata_size);
if (extradata) {
av_assert0(!sti->avctx->extradata);
if ((unsigned)extradata_size < FF_MAX_EXTRADATA_SIZE)
sti->avctx->extradata = av_mallocz(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!sti->avctx->extradata) {
av_packet_unref(pkt_ref);