{"id":"CVE-2024-31581","details":"FFmpeg version n6.1 was discovered to contain an improper validation of array index vulnerability in libavcodec/cbs_h266_syntax_template.c. This vulnerability allows attackers to cause undefined behavior within the application.","modified":"2026-08-12T15:12:57.759446Z","published":"2024-04-17T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31581.json"},"references":[{"type":"WEB","url":"https://gist.github.com/1047524396/a7e9273e12553775826784035333cdd8"},{"type":"WEB","url":"https://github.com/FFmpeg/FFmpeg/blob/n6.1.1/libavcodec/cbs_h266_syntax_template.c#L2048"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31581.json"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPETICRXUOGRIM4U3BCRTIKE3IZWCSBT/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-31581"},{"type":"FIX","url":"https://github.com/ffmpeg/ffmpeg/commit/ce0c178a408d43e71085c28a47d50dc939b60196"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ffmpeg/ffmpeg","events":[{"introduced":"47ac3e60653da651dfa064b649d0ac297560d8d5"},{"fixed":"ce0c178a408d43e71085c28a47d50dc939b60196"}],"database_specific":{"source":["CPE_STRING","REFERENCES"],"cpe":"cpe:2.3:a:ffmpeg:ffmpeg:6.1:*:*:*:*:*:*:*","extracted_events":[{"introduced":"6.1"},{"last_affected":"6.1"}]}}],"versions":["6.1","n6.2-dev","n6.1-dev"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-31581.json","vanir_signatures_modified":"2026-08-12T15:12:57Z","vanir_signatures":[{"digest":{"line_hashes":["243846168522435901475398465128611970493","258198578430153156272222716017777980796","305358860117251820047432404442544515541","50317458278124062005499996859226711436","280845785478774785338356929297197901535","183022241336373039497728604178110771281","117126856626383008197633066464174118708"],"threshold":0.9},"id":"CVE-2024-31581-4e2782ed","signature_type":"Line","signature_version":"v1","source":"https://github.com/ffmpeg/ffmpeg/commit/ce0c178a408d43e71085c28a47d50dc939b60196","target":{"file":"libavcodec/cbs_h266_syntax_template.c"},"deprecated":false},{"signature_type":"Function","signature_version":"v1","source":"https://github.com/ffmpeg/ffmpeg/commit/ce0c178a408d43e71085c28a47d50dc939b60196","target":{"file":"libavcodec/cbs_h266_syntax_template.c","function":"(pps)"},"deprecated":false,"digest":{"length":21288,"function_hash":"52845286316637006315757957763183738972"},"id":"CVE-2024-31581-d8d3994d"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}