{"id":"OSV-2021-367","aliases":[],"status":"published","title":"Heap-buffer-overflow in H5MM_memcpy","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30749\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nH5MM_memcpy\nH5VM_memcpyvv\nH5D__compact_readvv\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-02-11T00:00:57.08999Z","modified":"2026-10-20T17:24:24Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"matio","ranges":[{"type":"GIT","events":[{"introduced":"f94c087aa9be54ec86a01e267b80fd61108069be"},{"fixed":"04d1deab800d962055a1c5509e25ad8dfe05c4f1"}]}],"versions":["v1.5.18","v1.5.19","v1.5.20","v1.5.21","v1.5.22","v1.5.23"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30749","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-367","title":"Heap-buffer-overflow in H5MM_memcpy","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30749\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nH5MM_memcpy\nH5VM_memcpyvv\nH5D__compact_readvv\n```\n","status":"published","published":"2021-02-11T00:00:57.08999Z","modified":"2026-10-20T17:24:24.664542559Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}