Home / mailings [gentoo-announce] [ GLSA 202107-09 ] Mozilla Firefox: Multiple vulnerabilities
Posted on 07 July 2021
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Gentoo Linux Security Advisory GLSA 202107-09
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https://security.gentoo.org/
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Severity: Normal
Title: Mozilla Firefox: Multiple vulnerabilities
Date: July 07, 2021
Bugs: #794082
ID: 202107-09
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Synopsis
========
Multiple vulnerabilities have been found in Mozilla Firefox, the worst
of which could result in the arbitrary execution of code.
Background
==========
Mozilla Firefox is a popular open-source web browser from the Mozilla
project.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-client/firefox < 89.0 >= 78.11.0:0/esr78
>= 89.0
2 www-client/firefox-bin < 89.0 >= 78.11.0:0/esr78
>= 89.0
-------------------------------------------------------------------
2 affected packages
Description
===========
Multiple vulnerabilities have been discovered in Mozilla Firefox.
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 Firefox ESR users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-78.11.0"
All Mozilla Firefox ESR binary users should upgrade to the latest
version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-bin-78.11.0"
All Mozilla Firefox users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-89.0"
All Mozilla Firefox binary users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-bin-89.0"
References
==========
[ 1 ] CVE-2021-29959
https://nvd.nist.gov/vuln/detail/CVE-2021-29959
[ 2 ] CVE-2021-29960
https://nvd.nist.gov/vuln/detail/CVE-2021-29960
[ 3 ] CVE-2021-29961
https://nvd.nist.gov/vuln/detail/CVE-2021-29961
[ 4 ] CVE-2021-29966
https://nvd.nist.gov/vuln/detail/CVE-2021-29966
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202107-09
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
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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