{"id":"OSV-2020-1040","aliases":[],"status":"published","title":"Heap-buffer-overflow in decode_bit_string","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16615\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\ndecode_bit_string\ndecode_bit_field\nasn1_decode_entry\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-07-22T21:49:41.688762Z","modified":"2022-04-13T03:04:41Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"opensc","ranges":[{"type":"GIT","events":[{"introduced":"b0241eefa1b47f1420456f5dbc43564d59961a54"},{"fixed":"9b4b080be788a602fa8f01ac8d7e29cdaad07902"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16615","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-1040","title":"Heap-buffer-overflow in decode_bit_string","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16615\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\ndecode_bit_string\ndecode_bit_field\nasn1_decode_entry\n```\n","status":"published","published":"2020-07-22T21:49:41.688762Z","modified":"2022-04-13T03:04:41.691566Z","updated_at":"2026-11-02T15:52:48.304316Z"}]}}