{"action":"Upgrade libreswan to 5.3.2-r0 or later.","affected":[{"fixed":"5.3.2-r0","introduced":"0"}],"component":"libreswan","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["5.3.2-r0"],"id":"tcs_01M6H4KARV6PC3TC81GK22V6XX","modified_at":"2026-11-03T06:32:58.127156733Z","published_at":"2026-07-02T22:16:43.367Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-50721","https://security.alpinelinux.org/vuln/CVE-2026-50721"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-50721#Alpine:v3.24/libreswan","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-50721"}],"summary":"Libreswan, via the function RSA_authenticate_hash_signature_raw_rsa(), did not correctly verify the length of the authentication hash when the SIG payload of an IKEv1 packet was encoded using PKCS #1"}