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Gentoo Linux Security Advisory                           GLSA 201701-45
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: irssi: Multiple vulnerabilities
     Date: January 19, 2017
     Bugs: #604772
       ID: 201701-45

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Synopsis
========

Multiple vulnerabilities have been found in irssi, the worst of which
could allow remote attackers to execute arbitrary code.

Background
==========

irssi is a modular textUI IRC client with IPv6 support.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-irc/irssi                < 0.8.21                  >= 0.8.21

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

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

Impact
======

A remote attacker could possibly execute arbitrary code with the
privileges of the process or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All irssi users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-irc/irssi-0.8.21"

References
==========

[ 1 ] CVE-2017-5193
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5193
[ 2 ] CVE-2017-5194
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5194
[ 3 ] CVE-2017-5195
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5195
[ 4 ] CVE-2017-5196
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5196

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

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

 https://security.gentoo.org/glsa/201701-45

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 2017 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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