{"action":"Upgrade ffmpeg to 7:3.4.3-1 or later.","affected":[{"fixed":"7:3.4.3-1","introduced":"0"}],"component":"ffmpeg","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["7:3.4.3-1"],"id":"tcs_01M5ND04PDAFHC3RWVNBDXWD6W","modified_at":"2026-10-23T18:03:53.761776572Z","published_at":"2018-06-15T15:29:00.217Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-12458","https://security-tracker.debian.org/tracker/CVE-2018-12458"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-12458","url":"https://osv.dev/vulnerability/DEBIAN-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"}