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 issue is identified, potentially causing a crash. The crash occurs in the sort r simple function and involves the OT::ClassDef::serialize and OT::ClassDef remap and serialize functions. The issue is related to the serialization of a hb sorted array t of hb pair t objects, which contain unsigned integers.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.