OSV-2026-455 UNKNOWN READ in mkv::matroska_segment_c::TrackInit

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=495498906 Crash type: UNKNOWN READ Crash state: mkv::matroskasegmentc::TrackInit mkv::matroskasegmentc::TrackInit mkv::matroskasegmentc::ParseTrackEntry...

PT-2026-30299

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=495498906 Crash type: UNKNOWN READ Crash state: mkv::matroska segment c::TrackInit mkv::matroska segment c::TrackInit mkv::matroska segment c::ParseTrackEntry...

vlc:vlc-demux-dec-libfuzzer-mkv: Crash in mkv::matroska_segment_c::TrackInit

Project: https://github.com/videolan/vlc.git Detailed Report: https://oss-fuzz.com/testcase?key=6599985985814528 Project: vlc Fuzzing Engine: libFuzzer Fuzz Target: vlc-demux-dec-libfuzzer-mkv Job Type: libfuzzerubsanvlc Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x576deb0ca001...

PT-2026-27458

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

vlc:vlc-demux-dec-libfuzzer-mkv: Heap-buffer-overflow in mkv::matroska_segment_c::TrackInit

Project: https://github.com/videolan/vlc.git Detailed Report: https://oss-fuzz.com/testcase?key=6538006856269824 Project: vlc Fuzzing Engine: libFuzzer Fuzz Target: vlc-demux-dec-libfuzzer-mkv Job Type: libfuzzerasanvlc Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...