{"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_01M5N9A9WBJ31EV9PE6DRBFE2C","modified_at":"2026-10-23T17:47:51.380854428Z","published_at":"2009-06-08T01:00:00.750Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2009-1958","https://security-tracker.debian.org/tracker/CVE-2009-1958"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2009-1958#Debian:14/strongswan","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2009-1958"}],"summary":"charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKE_"}