{"action":"Upgrade mkvtoolnix to 28.2.0-1 or later.","affected":[{"fixed":"28.2.0-1","introduced":"0"}],"component":"mkvtoolnix","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["28.2.0-1"],"id":"tcs_01M5NDCQV5R1X9V6ZREZWHDBTH","modified_at":"2026-10-23T18:03:06.143147674Z","published_at":"2018-10-26T17:29:00.320Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-4022","https://security-tracker.debian.org/tracker/CVE-2018-4022"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-4022#Debian:13/mkvtoolnix","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-4022"}],"summary":"A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code execution in the context of th"}