virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

avformat/paf: Check for EOF before allocation in read_header()

Browse Source 
Fixes: OOM
Fixes: 26584/clusterfuzz-testcase-minimized-ffmpeg_dem_PAF_fuzzer-5172661183053824

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-01-20 00:11:34 +01:00
parent 12aca5d7b0
commit bcb1e9d3b9
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/paf.c
View File

@ -136,6 +136,10 @@ static int read_header(AVFormatContext *s)
p->start_offset = avio_rl32(pb);
p->max_video_blks = avio_rl32(pb);
p->max_audio_blks = avio_rl32(pb);
if (avio_feof(pb))
return AVERROR_INVALIDDATA;
if (p->buffer_size < 175 ||
p->max_audio_blks < 2 ||
p->max_video_blks < 1 ||