{"action":"Upgrade pdns to 2.9.20-4 or later.","affected":[{"fixed":"2.9.20-4","introduced":"0"}],"component":"pdns","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.9.20-4"],"id":"tcs_01M5N8NGMGFTD64YHSG3T0RFZK","modified_at":"2026-10-22T23:47:33.841979391Z","published_at":"2006-11-14T19:07:00Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2006-4251","https://security-tracker.debian.org/tracker/CVE-2006-4251"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2006-4251#Debian:14/pdns","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2006-4251"}],"summary":"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"}