Home / mailings [gentoo-announce] [ GLSA 201710-25 ] PCRE: Multiple vulnerabilities
Posted on 23 October 2017
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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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