RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Fix potential overread in vmd audio decoder. 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-09-24 23:16:17 +02:00 committed by Michael Niedermayer
parent eae3cf06a5
commit 00cbe9e405
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/vmdav.c
View File

@ -523,7 +523,10 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx,
silent_chunks = 0;
if (block_type == BLOCK_TYPE_INITIAL) {
uint32_t flags = AV_RB32(buf);
uint32_t flags;
if (buf_size < 4)
return -1;
flags = AV_RB32(buf);
silent_chunks = av_popcount(flags);
buf += 4;
buf_size -= 4;