{"action":"Upgrade ffmpeg4 to 4.3-r0 or later.","affected":[{"fixed":"4.3-r0","introduced":"0"}],"component":"ffmpeg4","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["4.3-r0"],"id":"tcs_01M6GKQZC1JGSAFAQ4Z59FDQT9","modified_at":"2026-11-03T06:32:23.717696414Z","published_at":"2020-06-07T19:15:09.703Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-13904","https://security.alpinelinux.org/vuln/CVE-2020-13904"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-13904#Alpine:v3.20/ffmpeg4","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-13904"}],"summary":"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_inpu"}