{"action":"Upgrade ffmpeg4 to 4.0.1-r0 or later.","affected":[{"fixed":"4.0.1-r0","introduced":"0"}],"component":"ffmpeg4","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["4.0.1-r0"],"id":"tcs_01M6GD7D1DTH0X27XAEQ4GTF5K","modified_at":"2026-11-03T06:31:12.033324606Z","published_at":"2018-06-15T15:29:00.280Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-12459","https://security.alpinelinux.org/vuln/CVE-2018-12459"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-12459#Alpine:v3.20/ffmpeg4","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-12459"}],"summary":"An inconsistent bits-per-sample value in the ff_mpeg4_decode_picture_header function in libavcodec/mpeg4videodec.c in FFmpeg 4.0 may trigger an assertion violation while converting a crafted AVI file"}