virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-13 21:28:01 +02:00
Code Issues Releases Activity

avformat/aiffdec: Check for size overflow in header parsing

Browse Source 
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6723467048255488

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 2021-04-23 17:28:29 +02:00
parent 75a099fc73
commit bae2e19777
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libavformat/aiffdec.c
View File

@ -100,6 +100,9 @@ static int get_aiff_header(AVFormatContext *s, int size,
int sample_rate;
unsigned int num_frames;
if (size == INT_MAX)
return AVERROR_INVALIDDATA;
if (size & 1)
size++;
par->codec_type = AVMEDIA_TYPE_AUDIO;