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[gentoo-announce] [ GLSA 202102-02 ] Mozilla Thunderbird: Multiple vulnerabilities

Posted on 01 February 2021
Gentoo-announce

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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
security@gentoo.org 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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