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Gentoo Linux Security Advisory                           GLSA 201705-01
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: libevent: Multiple vulnerabilities
     Date: May 07, 2017
     Bugs: #608042
       ID: 201705-01

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Synopsis
========

Multiple vulnerabilities have been found in libevent, the worst of
which allows remote attackers to execute arbitrary code.

Background
==========

libevent is a library to execute a function when a specific event
occurs on a file descriptor.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/libevent           < 2.1.7_rc               >= 2.1.7_rc

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

Multiple vulnerabilities have been discovered in libevent. 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 libevent users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/libevent-2.1.7_rc"

References
==========

[ 1 ] CVE-2016-10195
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10195
[ 2 ] CVE-2016-10196
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10196
[ 3 ] CVE-2016-10197
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10197

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

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

 https://security.gentoo.org/glsa/201705-01

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