{"action":"Upgrade strongswan to 4.2.14-1.1 or later.","affected":[{"fixed":"4.2.14-1.1","introduced":"0"}],"component":"strongswan","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.2.14-1.1"],"id":"tcs_01M5N9A9DMERJMKTSDSH5KJPK7","modified_at":"2026-10-23T17:47:35.182448627Z","published_at":"2009-06-08T01:00:00.733Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2009-1957","https://security-tracker.debian.org/tracker/CVE-2009-1957"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2009-1957#Debian:14/strongswan","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2009-1957"}],"summary":"charon/sa/ike_sa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an invalid IKE_SA_INIT request that tri"}