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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-23 00:24:01 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-11-29 16:10:56 +0100 |
| commit | 7cf852b03c3ae6b61f89614371d2cb308d0b7f86 (patch) | |
| tree | fe7ba0cc0a8beae5d1f32646cd6bbdf6ab7cc8f8 /libavformat/mods.c | |
| parent | 9dc3301745d8271ae3ba0f1b998d8e6a0aa01bc1 (diff) | |
| download | ffmpeg-7cf852b03c3ae6b61f89614371d2cb308d0b7f86.tar.gz | |
avcodec/hevc_cabac: Limit value in coeff_abs_level_remaining_decode() tighter
The max depth is 16bps, the max allowed coefficient depth is depth+6
Fixes: signed integer overflow: 1074266112 + 1073725439 cannot be represented in type 'int'
Fixes: 26493/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5657763331702784
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/mods.c')
0 files changed, 0 insertions, 0 deletions