Files
FFmpeg/libavformat
Michael Niedermayer e0c3272988 avformat/matroskadec: Check desc_bytes so bits fit in 64bit
Likely a tighter check can be done

Fixes: signed integer overflow: 3305606804154370442 * 8 cannot be represented in type 'long'
Fixes: 70449/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-4771166007918592

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 c4122406f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-05-16 03:03:39 +02:00
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