{"id":"DEBIAN-CVE-2006-4251","details":"Buffer overflow in PowerDNS Recursor 3.1.3 and earlier might allow remote attackers to execute arbitrary code via a malformed TCP DNS query that prevents Recursor from properly calculating the TCP DNS query length.","modified":"2026-09-12T06:47:25.313667599Z","published":"2006-11-14T19:07:00Z","upstream":["CVE-2006-4251"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2006-4251"}],"affected":[{"package":{"name":"pdns","ecosystem":"Debian:12","purl":"pkg:deb/debian/pdns?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.20-4"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4251.json"}},{"package":{"name":"pdns","ecosystem":"Debian:13","purl":"pkg:deb/debian/pdns?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.20-4"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4251.json"}},{"package":{"name":"pdns","ecosystem":"Debian:14","purl":"pkg:deb/debian/pdns?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.20-4"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4251.json"}},{"package":{"name":"pdns-recursor","ecosystem":"Debian:12","purl":"pkg:deb/debian/pdns-recursor?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.4-1"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4251.json"}},{"package":{"name":"pdns-recursor","ecosystem":"Debian:13","purl":"pkg:deb/debian/pdns-recursor?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.4-1"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4251.json"}},{"package":{"name":"pdns-recursor","ecosystem":"Debian:14","purl":"pkg:deb/debian/pdns-recursor?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.4-1"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4251.json"}}],"schema_version":"1.9.0"}