CVE-2006-4252

Name	CVE-2006-4252
Description	PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	398559

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pdns (PTS)	buster	4.1.6-3+deb10u1	fixed
	bullseye	4.4.1-1	fixed
	bookworm, sid	4.7.3-2	fixed
pdns-recursor (PTS)	buster, buster (security)	4.1.11-1+deb10u1	fixed
	bullseye	4.4.2-3	fixed
	bookworm, sid	4.8.2-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pdns	source	(unstable)	(not affected)
pdns-recursor	source	(unstable)	3.1.4-1			398559

- pdns <not-affected> (Recursor module has been moved to pdns-recursor)