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

avformat/brstm: fix overflow 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-09-23 19:07:48 +02:00
parent 4af1f37682
commit 3441fef0f8
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavformat/brstm.c
View File

@ -389,6 +389,10 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
codec->codec_id == AV_CODEC_ID_ADPCM_THP_LE) {
uint8_t *dst;
if (size > (INT_MAX - 32 - 4) ||
(32 + 4 + size) > (INT_MAX / codec->channels) ||
(32 + 4 + size) * codec->channels > INT_MAX - 8)
return AVERROR_INVALIDDATA;
if (av_new_packet(pkt, 8 + (32 + 4 + size) * codec->channels) < 0)
return AVERROR(ENOMEM);
dst = pkt->data;