{"action":"Upgrade libreswan to 3.27-5 or later.","affected":[{"fixed":"3.27-5","introduced":"0"}],"component":"libreswan","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.27-5"],"id":"tcs_01M5NDR075SA37A067VETVBMWV","modified_at":"2026-09-21T07:02:03.997232530Z","published_at":"2019-05-24T14:29:00.230Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-12312","https://security-tracker.debian.org/tracker/CVE-2019-12312"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-12312#Debian:13/libreswan","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-12312"}],"summary":"In Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by initiating an IKEv2 IKE_SA_INIT exchange, followed by a bogus INFOR"}