A new security update has been released for Gentoo Linux - Wireshark: Denial of Service. Here the announcement:
"Gentoo Linux Security Advisory GLSA 200808-04
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http://security.gentoo.org/
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Severity: Normal
Title: Wireshark: Denial of Service
Date: August 06, 2008
Bugs: #230411, #231587
ID: 200808-04

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Synopsis
========

Multiple Denial of Service vulnerabilities have been discovered in
Wireshark.

Background
==========

Wireshark is a network protocol analyzer with a graphical front-end.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-analyzer/wireshark < 1.0.2 >= 1.0.2

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

Multiple vulnerabilities related to memory management were discovered
in the GSM SMS dissector (CVE-2008-3137), the PANA and KISMET
dissectors (CVE-2008-3138), the RTMPT dissector (CVE-2008-3139), the
syslog dissector (CVE-2008-3140) and the RMI dissector (CVE-2008-3141)
and when reassembling fragmented packets (CVE-2008-3145).

Impact
======

A remote attacker could exploit these vulnerabilities by sending a
specially crafted packet on a network being monitored by Wireshark or
enticing a user to read a malformed packet trace file, causing a Denial
of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Wireshark users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/wireshark-1.0.2"

References
==========

[ 1 ] CVE-2008-3137
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3137
[ 2 ] CVE-2008-3138
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3138
[ 3 ] CVE-2008-3139
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3139
[ 4 ] CVE-2008-3140
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3140
[ 5 ] CVE-2008-3141
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3141
[ 6 ] CVE-2008-3145
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3145

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

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

http://security.gentoo.org/glsa/glsa-200808-04.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
"


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