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Gentoo Linux Security Advisory                           GLSA 201710-25
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: PCRE: Multiple vulnerabilities
     Date: October 23, 2017
     Bugs: #614048, #614052, #614054
       ID: 201710-25

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Synopsis
========

Multiple vulnerabilities have been found in the PCRE Library, the worst
of which may allow remote attackers to cause a Denial of Service
condition.

Background
==========

The PCRE Library provides functions for Perl-compatible regular
expressions.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/libpcre              < 8.41                     >= 8.41 

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

Multiple vulnerabilities have been discovered in The PCRE Library.
Please review the references below for details.

Impact
======

A remote attacker could possibly cause a Denial of Service condition or
other unspecified impacts via a specially crafted file.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PCRE users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/libpcre-8.41"

Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these
packages.

References
==========

[ 1 ] CVE-2017-7186
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7186
[ 2 ] CVE-2017-7244
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7244
[ 3 ] CVE-2017-7245
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7245
[ 4 ] CVE-2017-7246
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7246

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

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

 https://security.gentoo.org/glsa/201710-25

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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