{"id":"CVE-2020-13904","details":"FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.","modified":"2026-02-24T11:34:01.552170Z","published":"2020-06-07T19:15:09.703Z","related":["MGASA-2020-0290","SUSE-SU-2021:2322-1","SUSE-SU-2021:2929-1","openSUSE-SU-2021:2322-1"],"references":[{"type":"WEB","url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq%40chinaffmpeg.org/"},{"type":"ADVISORY","url":"https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202007-58"},{"type":"ADVISORY","url":"https://trac.ffmpeg.org/ticket/8673"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4431-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4722"},{"type":"REPORT","url":"https://trac.ffmpeg.org/ticket/8673"},{"type":"FIX","url":"https://github.com/FFmpeg/FFmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html"},{"type":"EVIDENCE","url":"https://trac.ffmpeg.org/ticket/8673"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.ffmpeg.org/ffmpeg.git","events":[{"introduced":"0"},{"last_affected":"58142a27ea96bf9246586a91a82db85e37646933"}]}],"versions":["N","n0.11-dev","n0.12-dev","n0.8","n1.1-dev","n1.2-dev","n1.3-dev","n2.0","n2.1-dev","n2.2-dev","n2.3-dev","n2.4-dev","n2.5-dev","n2.6-dev","n2.7-dev","n2.8-dev"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-13904.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}