{"action":"Upgrade libreswan to 4.9-2 or later.","affected":[{"fixed":"4.9-2","introduced":"0"}],"component":"libreswan","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.9-2"],"id":"tcs_01M5NHWNKBDS888H3ZDFC61XQ2","modified_at":"2026-10-23T18:04:22.577535592Z","published_at":"2023-02-21T16:15:11.873Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-23009","https://security-tracker.debian.org/tracker/CVE-2023-23009"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-23009","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-23009"}],"summary":"Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length."}