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Gentoo Linux Security Advisory GLSA 201502-14
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http://security.gentoo.org/
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Severity: Normal
Title: grep: Denial of Service
Date: February 25, 2015
Bugs: #537046
ID: 201502-14

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Synopsis
========

A vulnerability in grep could result in Denial of Service.

Background
==========

grep is the GNU regular expression matcher.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 sys-apps/grep < 2.21-r1 >= 2.21-r1

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

A heap buffer overrun has been fixed in the bmexec_trans function in
kwset.c.

Impact
======

A local user can cause Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All grep users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=sys-apps/grep-2.21-r1”

References
==========

[ 1 ] CVE-2015-1345
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1345

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

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

http://security.gentoo.org/glsa/glsa-201502-14.xml

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 2015 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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