virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-04 06:08:26 +02:00
Code Issues Releases Activity

avcodec/exr: Check ymin vs. h

Browse Source 
Fixes: out of array access
Fixes: 26532/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5613925708857344
Fixes: 27443/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5631239813595136

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3e5959b3457f7f1856d997261e6ac672bba49e8b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-10-24 22:21:48 +02:00
parent 2051ed938c
commit 4371d51f1b
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/exr.c
View File

@ -1351,7 +1351,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
ptr = picture->data[0];
// Zero out the start if ymin is not 0
for (y = 0; y < s->ymin; y++) {
for (y = 0; y < FFMIN(s->ymin, s->h); y++) {
memset(ptr, 0, out_line_size);
ptr += picture->linesize[0];
}