Debian: DSA-2370-1: unbound security update
Summary
It was discovered that Unbound, a recursive DNS resolver, would crash
when processing certain malformed DNS responses from authoritative DNS
servers, leading to denial of service.
CVE-2011-4528
Unbound attempts to free unallocated memory during processing
of duplicate CNAME records in a signed zone.
CVE-2011-4869
Unbound does not properly process malformed responses which
lack expected NSEC3 records.
For the oldstable distribution (lenny), these problems have been fixed in
version 1.4.6-1~lenny2.
For the stable distribution (squeeze), these problems have been fixed in
version 1.4.6-1+squeeze2.
For the testing distribution (wheezy) and the unstable distribution
(sid), these problems have been fixed in version 1.4.14-1.
We recommend that you upgrade your unbound packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org