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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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Gentoo Linux Security Advisory                        GLSA 200801-02:02
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: R: Multiple vulnerabilities
      Date: January 09, 2008
   Updated: January 09, 2008
      Bugs: #198976
        ID: 200801-02:02

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Synopsis
========

Multiple vulnerabilities in R could result in the execution of
arbitrary code.

Background
==========

R is a GPL licensed implementation of S, a language and environment for
statistical computing and graphics. PCRE is a library providing
functions for Perl-compatible regular expressions.

Affected packages
=================

    -------------------------------------------------------------------
     Package     /  Vulnerable  /                           Unaffected
    -------------------------------------------------------------------
  1  dev-lang/R     < 2.2.1-r1                             >= 2.2.1-r1

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

R includes a copy of PCRE which is vulnerable to multiple buffer
overflows and memory corruptions vulnerabilities (GLSA 200711-30).

Impact
======

An attacker could entice a user to process specially crafted regular
expressions with R, which could possibly lead to the execution of
arbitrary code, a Denial of Service or the disclosure of sensitive
information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All R users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-lang/R-2.2.1-r1"

References
==========

  [ 1 ] GLSA 200711-30
        http://www.gentoo.org/security/en/glsa/glsa-200711-30.xml

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

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

  http://security.gentoo.org/glsa/glsa-200801-02.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
http://bugs.gentoo.org.

License
=======

Copyright 2008 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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