{"id":"DEBIAN-CVE-2012-4435","details":"fwknop before 2.0.3 does not properly validate IP addresses, which allows remote authenticated users to cause a denial of service (server crash) via a long IP address.","modified":"2026-04-28T20:16:38.222484Z","published":"2012-10-22T23:55:07.070Z","upstream":["CVE-2012-4435"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2012-4435"}],"affected":[{"package":{"name":"fwknop","ecosystem":"Debian:11","purl":"pkg:deb/debian/fwknop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2012-4435.json"}},{"package":{"name":"fwknop","ecosystem":"Debian:12","purl":"pkg:deb/debian/fwknop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2012-4435.json"}},{"package":{"name":"fwknop","ecosystem":"Debian:13","purl":"pkg:deb/debian/fwknop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2012-4435.json"}},{"package":{"name":"fwknop","ecosystem":"Debian:14","purl":"pkg:deb/debian/fwknop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2012-4435.json"}}],"schema_version":"1.7.5"}