CVE-2014-8602

Name	CVE-2014-8602
Description	iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.
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	DLA-107-1, DSA-3097-1
NVD severity	medium (attack range: remote)
Debian Bugs	772622

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
unbound (PTS)	wheezy	1.4.17-3+deb7u2	fixed
	wheezy (security)	1.4.17-3+deb7u4	fixed
	jessie	1.4.22-3+deb8u3	fixed
	stretch	1.6.0-3+deb9u1	fixed
	buster, sid	1.6.7-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
unbound	source	(unstable)	1.4.22-3	medium		772622
unbound	source	squeeze	1.4.6-1+squeeze4	medium	DLA-107-1
unbound	source	wheezy	1.4.17-3+deb7u2	medium	DSA-3097-1

http://www.unbound.net/pipermail/unbound-users/2014-December/003662.html