{"action":"Upgrade strongswan to 5.9.1-r3 or later.","affected":[{"fixed":"5.9.1-r3","introduced":"4.2.10"}],"component":"strongswan","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["5.9.1-r3"],"id":"tcs_01M5NDG3YYE2CCMY9HZHEMRFVB","modified_at":"2026-10-23T17:17:56.217211768Z","published_at":"2021-10-18T14:15:10.333Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-41991","https://security.alpinelinux.org/vuln/CVE-2021-41991"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-41991#Alpine:v3.17/strongswan","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-41991"}],"summary":"The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of"}