Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read in the Track::initsampletimingtable process. An attacker can trigger a heap buffer overflow by providing a crafted file where the number of chunks defined in the stco box is less than the number of samples in stsz,...

OSV-2026-57 Heap-buffer-overflow in mkv::matroska_segment_c::TrackInit

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=475261418 Crash type: Heap-buffer-overflow READ 1 Crash state: mkv::matroskasegmentc::TrackInit mkv::matroskasegmentc::TrackInit mkv::matroskasegmentc::ParseTrackEntry...