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authorMichael Niedermayer <michael@niedermayer.cc>2019-10-20 23:51:58 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2019-11-21 23:44:21 +0100
commited04ecd2d3c3b6dcd7ff31564d93ebe7567fa6ce (patch)
tree9c5882d2976322b2a9cf20ac6c8dd8e2080d9734 /libavcodec/h261.h
parent38cfa9d5f974086721e0d501e22b3b2eb1de0712 (diff)
downloadffmpeg-ed04ecd2d3c3b6dcd7ff31564d93ebe7567fa6ce.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/h261.h')
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