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Gentoo Linux Security Advisory GLSA 202005-03
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https://security.gentoo.org/
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Severity: Normal
Title: Mozilla Thunderbird: Multiple vulnerabilities
Date: May 12, 2020
Bugs: #721324
ID: 202005-03

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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 < 68.8.0 >= 68.8.0
2 mail-client/thunderbird-bin
< 68.8.0 >= 68.8.0
——————————————————————-
2 affected packages

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

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

Impact
======

A remote attacker may be able to execute arbitrary code, cause a Denial
of Service condition or spoof sender email address.

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-68.8.0”

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

# emerge –sync
# emerge –ask –oneshot -v “>=mail-client/thunderbird-bin-68.8.0”

References
==========

[ 1 ] CVE-2020-12387
https://nvd.nist.gov/vuln/detail/CVE-2020-12387
[ 2 ] CVE-2020-12392
https://nvd.nist.gov/vuln/detail/CVE-2020-12392
[ 3 ] CVE-2020-12395
https://nvd.nist.gov/vuln/detail/CVE-2020-12395
[ 4 ] CVE-2020-12397
https://nvd.nist.gov/vuln/detail/CVE-2020-12397
[ 5 ] CVE-2020-6831
https://nvd.nist.gov/vuln/detail/CVE-2020-6831
[ 6 ] MFSA-2020-18
https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/

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

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

https://security.gentoo.org/glsa/202005-03

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 2020 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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