virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-26 19:01:44 +02:00
Code Issues Releases Activity

avcodec/hnm4video: check that packetsize is at least 8

Browse Source 
Fixes integer overflow and assertion failure
Fixes: signal_sigabrt_7ffff7126425_1243_CASSE.HNM

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-11-22 16:37:50 +01:00
parent 7865759409
commit ba992711f7
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/hnm4video.c
View File

@ -359,6 +359,11 @@ static int hnm_decode_frame(AVCodecContext *avctx, void *data,
int ret;
uint16_t chunk_id;
if (avpkt->size < 8) {
av_log(avctx, AV_LOG_ERROR, "packet too small\n");
return AVERROR_INVALIDDATA;
}
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;