{"action":"Upgrade strongswan to 5.6.3-r0 or later.","affected":[{"fixed":"5.6.3-r0","introduced":"0"}],"component":"strongswan","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.13","exploited":false,"fixed_versions":["5.6.3-r0"],"id":"tcs_01M5NAVVFCY2XMT5SBMRYMKB71","modified_at":"2026-10-23T17:17:55.273178722Z","published_at":"2018-05-31T13:29:00.220Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-5388","https://security.alpinelinux.org/vuln/CVE-2018-5388"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-5388#Alpine:v3.13/strongswan","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-5388"}],"summary":"In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket."}