Linux Security
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Gentoo: GLSA-202102-02: Mozilla Thunderbird: Multiple vulnerabilities

Date 31 Jan 2021
331
Posted By LinuxSecurity Advisories
Multiple vulnerabilities have been found in Mozilla Thunderbird, the worst of which could result in the arbitrary execution of code.
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Gentoo Linux Security Advisory                           GLSA 202102-02
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Mozilla Thunderbird: Multiple vulnerabilities
     Date: February 01, 2021
     Bugs: #767394
       ID: 202102-02

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Synopsis
========

Multiple vulnerabilities have been found in Mozilla Thunderbird, the
worst of which could result in the arbitrary execution of code.

Background
==========

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

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  mail-client/thunderbird      < 78.7.0                  >= 78.7.0 
  2  mail-client/thunderbird-bin
                                  < 78.7.0                  >= 78.7.0 
    -------------------------------------------------------------------
     2 affected packages

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

Multiple vulnerabilities have been discovered in Mozilla Thunderbird.
Please review the CVE identifiers referenced below for details.

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Mozilla Thunderbird users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=mail-client/thunderbird-78.7.0"

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

  # emerge --sync
  # emerge --ask --oneshot -v ">=mail-client/thunderbird-bin-78.7.0"

References
==========

[ 1 ] CVE-2020-15685
      https://nvd.nist.gov/vuln/detail/CVE-2020-15685
[ 2 ] CVE-2020-26976
      https://nvd.nist.gov/vuln/detail/CVE-2020-26976
[ 3 ] CVE-2021-23953
      https://nvd.nist.gov/vuln/detail/CVE-2021-23953
[ 4 ] CVE-2021-23954
      https://nvd.nist.gov/vuln/detail/CVE-2021-23954
[ 5 ] CVE-2021-23960
      https://nvd.nist.gov/vuln/detail/CVE-2021-23960
[ 6 ] CVE-2021-23964
      https://nvd.nist.gov/vuln/detail/CVE-2021-23964
[ 7 ] Upstream advisory (MFSA-2021-05)
      https://www.mozilla.org/en-US/security/advisories/mfsa2021-05/

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

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

 https://security.gentoo.org/glsa/202102-02

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
This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2021 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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