OSV-2026-611 Heap-buffer-overflow in ParseOpaqueMetadata

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=504617128 Crash type: Heap-buffer-overflow READ 4 Crash state: ParseOpaqueMetadata ReadOpaqueInfo5 MatVarReadNextInfo5...

PT-2026-36557

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=504617128 Crash type: Heap-buffer-overflow READ 4 Crash state: ParseOpaqueMetadata ReadOpaqueInfo5 Mat VarReadNextInfo5...