{"id":"CVE-2023-6603","summary":"Ffmpeg: null pointer dereference in ffmpeg hls parsing","details":"A flaw was found in FFmpeg's HLS playlist parsing. This vulnerability allows a denial of service via a maliciously crafted HLS playlist that triggers a null pointer dereference during initialization.","modified":"2026-08-17T03:48:17.213910148Z","published":"2024-12-31T14:20:10.690Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6603.json","cna_assigner":"redhat","cwe_ids":["CWE-476"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6603.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6603"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2334335"},{"type":"PACKAGE","url":"https://github.com/FFmpeg/FFmpeg"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.ffmpeg.org/ffmpeg.git","events":[{"introduced":"2b8b2ba19fe0ca6594cb09439b9ead2c328a79d8"},{"last_affected":"ea3d24bbe3c58b171e55fe2151fc7ffaca3ab3d2"}],"database_specific":{"extracted_events":[{"introduced":"2.0"},{"last_affected":"6.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*"}},{"type":"GIT","repo":"https://github.com/ffmpeg/ffmpeg","events":[{"introduced":"c40983a6f631d22fede713d535bb9c31d5c9740c"},{"fixed":"390d6853d0ef408007feb39c0040682c81c02751"}],"database_specific":{"cpe":"cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0"},{"fixed":"5.*"},{"introduced":"2.0"},{"last_affected":"6.0"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["n6.0","n5.2-dev","n5.1-dev","n4.5-dev","n4.4-dev","n4.3-dev","n4.2-dev","n4.1-dev","n3.5-dev","n3.4-dev","n3.3-dev","n3.2-dev","n3.1-dev","n2.9-dev","n2.8-dev","n2.7-dev","n2.6-dev","n2.5-dev","n2.4-dev","n2.3-dev","n2.2-dev","n2.0","n2.1-dev"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6603.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}