{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"iptables","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5NA1V4VWD6ASBVY1DH51KBW","modified_at":"2026-10-23T17:47:33.923556918Z","published_at":"2014-02-15T14:57:07.423Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2012-2663","https://security-tracker.debian.org/tracker/CVE-2012-2663"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2012-2663#Debian:14/iptables","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2012-2663"}],"summary":"extensions/libxt_tcp.c in iptables through 1.4.21 does not match TCP SYN+FIN packets in --syn rules, which might allow remote attackers to bypass intended firewall restrictions via crafted packets. NO"}