{"action":"Upgrade fwknop to 2.0.3-1 or later.","affected":[{"fixed":"2.0.3-1","introduced":"0"}],"component":"fwknop","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.0.3-1"],"id":"tcs_01M5NA4GSREFHQHPC3JQ0GG2BD","modified_at":"2026-10-23T17:47:39.443450301Z","published_at":"2012-10-22T23:55:07.133Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2012-4436","https://security-tracker.debian.org/tracker/CVE-2012-4436"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2012-4436","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2012-4436"}],"summary":"Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execut"}