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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-20 23:51:58 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-06 20:30:58 +0100 |
| commit | 67103c565c3463eba38c64ba6df72c12b1a2e9f6 (patch) | |
| tree | be24f00ab96f26ad7105802cdce0890ccbec59cc /libavcodec/mpeg12.c | |
| parent | 6248ed92fd63664b026742ab470ef866574f0b31 (diff) | |
| download | ffmpeg-67103c565c3463eba38c64ba6df72c12b1a2e9f6.tar.gz | |
avcodec/atrac3: Check for huge block aligns
The largest documented frame size = block align is 1024 bytes
(https://wiki.multimedia.cx/index.php/ATRAC3)
Without a limit this can allocate arbitrary memory and trigger OOM
Fixes: OOM
Fixes: 18337/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3_fuzzer-5763861478637568
Fixes: 18556/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3AL_fuzzer-5646183334936576
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 f09151fff9c754fbc1d2560adf18b14957f8b181)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/mpeg12.c')
0 files changed, 0 insertions, 0 deletions