{"action":"Upgrade ffmpeg to 3.4.3-r0 or later.","affected":[{"fixed":"3.4.3-r0","introduced":"0"}],"component":"ffmpeg","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.15","exploited":false,"fixed_versions":["3.4.3-r0"],"id":"tcs_01M6GD6Z2ZT2QKTM47SY7AQ2NR","modified_at":"2026-11-03T06:31:11.384165559Z","published_at":"2018-06-15T15:29:00.217Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-12458","https://security.alpinelinux.org/vuln/CVE-2018-12458"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-12458#Alpine:v3.15/ffmpeg","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-12458"}],"summary":"An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, le"}