{"id":"OSV-2021-218","aliases":[],"status":"published","title":"Heap-buffer-overflow in H5F_addr_decode_len","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29776\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nH5F_addr_decode_len\nH5F_addr_decode\nH5G_ent_decode\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-01-22T00:00:16.221512Z","modified":"2026-10-20T17:24:24Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"matio","ranges":[{"type":"GIT","events":[{"introduced":"1ce8f2d1845ecdde19a35605cabdbb884776d52d"},{"fixed":"04d1deab800d962055a1c5509e25ad8dfe05c4f1"}]}],"versions":["v1.5.20","v1.5.21","v1.5.22","v1.5.23"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29776","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-218","title":"Heap-buffer-overflow in H5F_addr_decode_len","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29776\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nH5F_addr_decode_len\nH5F_addr_decode\nH5G_ent_decode\n```\n","status":"published","published":"2021-01-22T00:00:16.221512Z","modified":"2026-10-20T17:24:24.664160575Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}