CVE-2006-4251

Name	CVE-2006-4251
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DSA-1211
NVD severity	high
Debian Bugs	398557

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pdns (PTS)	stretch (security), stretch	4.0.3-1+deb9u5	fixed
	buster	4.1.6-3+deb10u1	fixed
	bullseye, sid	4.4.1-1	fixed
pdns-recursor (PTS)	buster, buster (security)	4.1.11-1+deb10u1	fixed
	bullseye, sid	4.4.2-3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pdns	source	sarge	2.9.17-13sarge3		DSA-1211
pdns	source	(unstable)	2.9.20-4
pdns-recursor	source	(unstable)	3.1.4-1	high		398557

Recursor module has been moved to pdns-recursor