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Gentoo Linux Security Advisory                           GLSA 202104-09
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: Mozilla Thunderbird: Multiple vulnerabilities
      Date: April 30, 2021
      Bugs: #772287, #778272, #784578
        ID: 202104-09

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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     < 78.10.0                 >= 78.10.0
   2  mail-client/thunderbird-bin
                                  < 78.10.0                 >= 78.10.0
     -------------------------------------------------------------------
      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 -v ">=mail-client/thunderbird-78.10.0"

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

   # emerge --sync
   # emerge --ask --oneshot -v ">=mail-client/thunderbird-bin-78.10.0"

References
==========

[  1 ] CVE-2021-23961
        https://nvd.nist.gov/vuln/detail/CVE-2021-23961
[  2 ] CVE-2021-23968
        https://nvd.nist.gov/vuln/detail/CVE-2021-23968
[  3 ] CVE-2021-23969
        https://nvd.nist.gov/vuln/detail/CVE-2021-23969
[  4 ] CVE-2021-23973
        https://nvd.nist.gov/vuln/detail/CVE-2021-23973
[  5 ] CVE-2021-23978
        https://nvd.nist.gov/vuln/detail/CVE-2021-23978
[  6 ] CVE-2021-23981
        https://nvd.nist.gov/vuln/detail/CVE-2021-23981
[  7 ] CVE-2021-23982
        https://nvd.nist.gov/vuln/detail/CVE-2021-23982
[  8 ] CVE-2021-23984
        https://nvd.nist.gov/vuln/detail/CVE-2021-23984
[  9 ] CVE-2021-23987
        https://nvd.nist.gov/vuln/detail/CVE-2021-23987
[ 10 ] CVE-2021-23994
        https://nvd.nist.gov/vuln/detail/CVE-2021-23994
[ 11 ] CVE-2021-23995
        https://nvd.nist.gov/vuln/detail/CVE-2021-23995
[ 12 ] CVE-2021-23998
        https://nvd.nist.gov/vuln/detail/CVE-2021-23998
[ 13 ] CVE-2021-23999
        https://nvd.nist.gov/vuln/detail/CVE-2021-23999
[ 14 ] CVE-2021-24002
        https://nvd.nist.gov/vuln/detail/CVE-2021-24002
[ 15 ] CVE-2021-29945
        https://nvd.nist.gov/vuln/detail/CVE-2021-29945
[ 16 ] CVE-2021-29946
        https://nvd.nist.gov/vuln/detail/CVE-2021-29946
[ 17 ] CVE-2021-29948
        https://nvd.nist.gov/vuln/detail/CVE-2021-29948
[ 18 ] MFSA-2021-09
        https://www.mozilla.org/en-US/security/advisories/mfsa2021-09/
[ 19 ] MFSA-2021-12
        https://www.mozilla.org/en-US/security/advisories/mfsa2021-12/
[ 20 ] MFSA-2021-14
        https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/

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

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

  https://security.gentoo.org/glsa/202104-09

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
[email protected] 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