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Gentoo Linux Security Advisory                           GLSA 200711-24
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: Mozilla Thunderbird: Multiple vulnerabilities
      Date: November 18, 2007
      Bugs: #196481
        ID: 200711-24

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Synopsis
=======
Multiple vulnerabilities have been reported in Mozilla Thunderbird,
which may allow user-assisted arbitrary remote code execution.

Background
=========
Mozilla Thunderbird is a popular open-source email client from the
Mozilla project.

Affected packages
================
    -------------------------------------------------------------------
     Package                  /  Vulnerable  /              Unaffected
    -------------------------------------------------------------------
  1  mozilla-thunderbird          < 2.0.0.9                 >= 2.0.0.9
  2  mozilla-thunderbird-bin      < 2.0.0.9                 >= 2.0.0.9
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

Description
==========
Multiple vulnerabilities have been reported in Mozilla Thunderbird's
HTML browser engine (CVE-2007-5339) and JavaScript engine
(CVE-2007-5340) that can be exploited to cause a memory corruption.

Impact
=====
A remote attacker could entice a user to read a specially crafted email
that could trigger one of the vulnerabilities, possibly leading to the
execution of arbitrary code.

Workaround
=========
There is no known workaround at this time for all of these issues, but
some of them can be avoided by disabling JavaScript.

Resolution
=========
All Mozilla Thunderbird users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
">=mail-client/mozilla-thunderbird-2.0.0.9"

All Mozilla Thunderbird binary users should upgrade to the latest
version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
">=mail-client/mozilla-thunderbird-bin-2.0.0.9"

References
=========
  [ 1 ] CVE-2007-5339
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5339
  [ 2 ] CVE-2007-5340
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5340
  [ 3 ] GLSA 200711-14
        https://security.gentoo.org/glsa/200711-14

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

  https://security.gentoo.org/glsa/200711-24

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 2007 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/
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