CVE-2014-8601

Name	CVE-2014-8601
Description	PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-104-1, DSA-3096-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pdns-recursor (PTS)	buster, buster (security)	4.1.11-1+deb10u1	fixed
	bullseye	4.4.2-3	fixed
	bookworm	4.8.4-1	fixed
	sid, trixie	4.9.2-1	fixed

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

Package	Type	Release	Fixed Version	Origin
pdns-recursor	source	squeeze	3.2-4+deb6u1	DLA-104-1
pdns-recursor	source	wheezy	3.3-3+deb7u1	DSA-3096-1
pdns-recursor	source	(unstable)	3.6.2-1

http://doc.powerdns.com/md/security/powerdns-advisory-2014-02/
Backported patches available at https://downloads.powerdns.com/patches/2014-02/