{"id":"OSV-2023-1256","aliases":[],"status":"published","title":"Heap-buffer-overflow in H5T__bit_copy","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64665\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nH5T__bit_copy\nH5T__bit_get_d\nH5T__conv_f_f\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-12-03T13:02:43.376076Z","modified":"2026-10-19T14:47:47Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"matio","ranges":[{"type":"GIT","events":[{"introduced":"04d1deab800d962055a1c5509e25ad8dfe05c4f1"}]}],"versions":["v1.5.24","v1.5.25","v1.5.26","v1.5.27","v1.5.28","v1.5.29","v1.5.30","v1.6.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64665","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-1256","title":"Heap-buffer-overflow in H5T__bit_copy","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64665\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nH5T__bit_copy\nH5T__bit_get_d\nH5T__conv_f_f\n```\n","status":"published","published":"2023-12-03T13:02:43.376076Z","modified":"2026-10-19T14:47:47.686878Z","updated_at":"2026-11-02T15:52:49.511349Z"}]}}