{"action":"Upgrade ffmpeg to 7:4.2.1-1 or later.","affected":[{"fixed":"7:4.2.1-1","introduced":"0"}],"component":"ffmpeg","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["7:4.2.1-1"],"id":"tcs_01M5NE0P1KAX32KJHXG23RFVG9","modified_at":"2026-09-21T07:00:40.863279983Z","published_at":"2019-10-14T02:15:10.513Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-17539","https://security-tracker.debian.org/tracker/CVE-2019-17539"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-17539#Debian:14/ffmpeg","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-17539"}],"summary":"In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer."}