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author | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-20 23:51:58 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-11-21 23:44:21 +0100 |
commit | eabece8639dd0a4f887319b9f22dbbcb72df32d8 (patch) | |
tree | fa004fe495a8b5c7c3c18ba1e0b3fc29e99fdc9e /libavcodec/gif.h | |
parent | 978aa2ae50877e8575d6f5061787f836dd2227d4 (diff) | |
download | ffmpeg-eabece8639dd0a4f887319b9f22dbbcb72df32d8.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/gif.h')
0 files changed, 0 insertions, 0 deletions