OSV-2021-1381 Heap-buffer-overflow in OT::MathValueRecord::copy

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39225 Crash type: Heap-buffer-overflow READ 4 Crash state: OT::MathValueRecord::copy OT::MathGlyphAssembly::subset OT::MathGlyphConstruction::subset...

PT-2021-27818

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description A heap-buffer-overflow read crash has been reported. The crash involves the OT::MathValueRecord::copy, OT::MathGlyphAssembly::subset, and...