{"action":"Upgrade strongswan to 5.6.3-1 or later.","affected":[{"fixed":"5.6.3-1","introduced":"0"}],"component":"strongswan","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.6.3-1"],"id":"tcs_01M5NDEX79T4VEF8180CGE6MB1","modified_at":"2026-10-23T18:03:22.141888211Z","published_at":"2018-05-31T13:29:00.220Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-5388","https://security-tracker.debian.org/tracker/CVE-2018-5388"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-5388","url":"https://osv.dev/vulnerability/DEBIAN-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."}