A new security update has been released for Gentoo Linux - libcdaudio: User-assisted execution of arbitrary code. Here the announcement:

Gentoo Linux Security Advisory GLSA 200903-31
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http://security.gentoo.org/
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Severity: Normal
Title: libcdaudio: User-assisted execution of arbitrary code
Date: March 17, 2009
Bugs: #245649
ID: 200903-31

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Synopsis
========

A vulnerability in libcdaudio might allow for the remote execution of
arbitrary code.

Background
==========

libcdaudio is a library of CD audio related routines.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libcdaudio < 0.99.12-r1 >= 0.99.12-r1

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

A heap-based buffer overflow has been reported in the
cddb_read_disc_data() function in cddb.c when processing overly long
CDDB data.

Impact
======

A remote attacker could entice a user to connect to a malicious CDDB
server, possibly resulting in the remote execution of arbitrary code
with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libcdaudio users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libcdaudio-0.99.12=
-r1"

References
==========

[ 1 ] CVE-2008-5030
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5030

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

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

http://security.gentoo.org/glsa/glsa-200903-31.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 2009 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