{"id":"OSV-2021-1381","aliases":[],"status":"published","title":"Heap-buffer-overflow in OT::MathValueRecord::copy","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39225\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nOT::MathValueRecord::copy\nOT::MathGlyphAssembly::subset\nOT::MathGlyphConstruction::subset\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-09-27T00:01:25.282839Z","modified":"2022-04-13T03:04:32Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"harfbuzz","ranges":[{"type":"GIT","events":[{"introduced":"ca7b9daef06fc515ec84cfb95e7204e9eef3f00e"},{"fixed":"794b00db4b63e8314aee96c23a20ecb878452eef"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39225","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-1381","title":"Heap-buffer-overflow in OT::MathValueRecord::copy","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39225\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nOT::MathValueRecord::copy\nOT::MathGlyphAssembly::subset\nOT::MathGlyphConstruction::subset\n```\n","status":"published","published":"2021-09-27T00:01:25.282839Z","modified":"2022-04-13T03:04:32.96338Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}