{"action":"Upgrade criu to 4.2-5 or later.","affected":[{"fixed":"4.2-5","introduced":"0"}],"component":"criu","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.2-5"],"id":"tcs_01M5NQW43MMRERB21HJNRC1P20","modified_at":"2026-10-01T03:02:29.806267034Z","published_at":"2026-07-28T19:17:32.420Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-18107","https://security-tracker.debian.org/tracker/CVE-2026-18107"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-18107#Debian:14/criu","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-18107"}],"summary":"A flaw was found in CRIU's handling of restartable sequences (rseq) during checkpoint/restore. A malicious process inside a container can register an rseq critical section that hijacks CRIU's parasite"}