A new security update has been released for Gentoo Linux - CUPS: Multiple vulnerabilities. Here the announcement:

Gentoo Linux Security Advisory GLSA 200812-11
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http://security.gentoo.org/=

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Severity: High
Title: CUPS: Multiple vulnerabilities
Date: December 10, 2008
Bugs: #238976, #249727
ID: 200812-11

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Synopsis
========

Several remotely exploitable bugs have been found in CUPS, which allow
remote execution of arbitrary code.

Background
==========

CUPS is the Common Unix Printing System.

Affected packages
=================

-------------------------------------------------------------------=

Package / Vulnerable / Unaffected
-------------------------------------------------------------------=

1 net-print/cups < 1.3.9-r1 >= 1.3.9-r=
1

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

Several buffer overflows were found in:

* The read_rle16 function in imagetops (CVE-2008-3639, found by
regenrecht, reported via ZDI)

* The WriteProlog function in texttops (CVE-2008-3640, found by
regenrecht, reported via ZDI)

* The Hewlett-Packard Graphics Language (HPGL) filter (CVE-2008-3641,
found by regenrecht, reported via iDefense)

* The _cupsImageReadPNG function (CVE-2008-5286, reported by iljavs)

Impact
======

A remote attacker could send specially crafted input to a vulnerable
server, resulting in the remote execution of arbitrary code with the
privileges of the user running the server.

Workaround
==========

None this time.

Resolution
==========

All CUPS users should upgrade to the latest version.

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-print/cups-1.3.9-r1"

References
==========

[ 1 ] CVE-2008-3639
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3639
[ 2 ] CVE-2008-3640
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3640
[ 3 ] CVE-2008-3641
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3641
[ 4 ] CVE-2008-5286
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5286

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

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

http://security.gentoo.org/glsa/glsa-200812-11.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
http://bugs.gentoo.org.

License
=======

Copyright 2008 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