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Gentoo Linux Security Advisory                           GLSA 201702-11
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: GNU C Library: Multiple vulnerabilities
     Date: February 19, 2017
     Bugs: #560420, #560526, #572416, #576726, #578602
       ID: 201702-11

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Synopsis
=======
Multiple vulnerabilities have been found in the GNU C Library, the
worst of which allows context-dependent attackers to execute arbitrary
code.

Background
=========
The GNU C library is the standard C library used by Gentoo Linux
systems.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-libs/glibc              < 2.23-r3                 >= 2.23-r3

Description
==========
Multiple vulnerabilities have been discovered in the GNU C Library.
Please review the CVE identifiers referenced below for details.

Impact
=====
A context-dependent attacker could possibly execute arbitrary code with
the privileges of the process, disclose sensitive information, or cause
a Denial of Service condition via multiple vectors.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All GNU C Library users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.23-r3"

References
=========
[ 1 ] CVE-2014-9761
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9761
[ 2 ] CVE-2015-5277
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5277
[ 3 ] CVE-2015-8776
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8776
[ 4 ] CVE-2015-8777
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8777
[ 5 ] CVE-2015-8778
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8778
[ 6 ] CVE-2015-8779
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8779
[ 7 ] CVE-2016-1234
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1234
[ 8 ] CVE-2016-3075
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3075

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

 https://security.gentoo.org/glsa/201702-11

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.

https://creativecommons.org/licenses/by-sa/2.5/