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Gentoo Linux Security Advisory                           GLSA 201110-12
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 Severity: Normal
    Title: Unbound: Denial of Service
     Date: October 15, 2011
     Bugs: #309117, #368981
       ID: 201110-12

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Synopsis
========

Multiple Denial of Service vulnerabilities were found in Unbound.

Background
==========

Unbound is a validating, recursive, and caching DNS resolver.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-dns/unbound              < 1.4.10                  >= 1.4.10

Description
===========

Multiple vulnerabilities have been discovered in unbound. Please review
the CVE identifiers referenced below for details.

Impact
======

A remote attacker could cause a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Unbound users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-dns/unbound-1.4.10"

References
==========

[ 1 ] CVE-2010-0969
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0969
[ 2 ] CVE-2011-1922
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1922

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 http://security.gentoo.org/glsa/glsa-201110-12.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2011 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5


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