Gentoo: GLSA-202102-01: Mozilla Firefox: Multiple vulnerabilities

Date 31 Jan 2021

Category Gentoo Linux Distribution - Security Advisories

193

Posted By LinuxSecurity Advisories

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

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 202102-01
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: Normal
    Title: Mozilla Firefox: Multiple vulnerabilities
     Date: February 01, 2021
     Bugs: #767334
       ID: 202102-01

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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            < 85.0           >= 78.7.0:0/esr78
                                                              >= 85.0
  2  www-client/firefox-bin        < 85.0           >= 78.7.0:0/esr78
                                                              >= 85.0
    -------------------------------------------------------------------
     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-78.7.0"

All Mozilla Firefox ESR binary users should upgrade to the latest
version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-78.7.0"

All Mozilla Firefox users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-client/firefox-85.0"

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

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-85.0"

References
==========

[  1 ] CVE-2021-23953
       https://nvd.nist.gov/vuln/detail/CVE-2021-23953
[  2 ] CVE-2021-23954
       https://nvd.nist.gov/vuln/detail/CVE-2021-23954
[  3 ] CVE-2021-23955
       https://nvd.nist.gov/vuln/detail/CVE-2021-23955
[  4 ] CVE-2021-23956
       https://nvd.nist.gov/vuln/detail/CVE-2021-23956
[  5 ] CVE-2021-23958
       https://nvd.nist.gov/vuln/detail/CVE-2021-23958
[  6 ] CVE-2021-23960
       https://nvd.nist.gov/vuln/detail/CVE-2021-23960
[  7 ] CVE-2021-23961
       https://nvd.nist.gov/vuln/detail/CVE-2021-23961
[  8 ] CVE-2021-23962
       https://nvd.nist.gov/vuln/detail/CVE-2021-23962
[  9 ] CVE-2021-23963
       https://nvd.nist.gov/vuln/detail/CVE-2021-23963
[ 10 ] CVE-2021-23964
       https://nvd.nist.gov/vuln/detail/CVE-2021-23964
[ 11 ] CVE-2021-23965
       https://nvd.nist.gov/vuln/detail/CVE-2021-23965
[ 12 ] CVE-2021-26976
       https://nvd.nist.gov/vuln/detail/CVE-2021-26976
[ 13 ] Upstream advisory (MFSA-2021-03)
       https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/
[ 14 ] Upstream advisory (MFSA-2021-04)
       https://www.mozilla.org/en-US/security/advisories/mfsa2021-04/

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

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

 https://security.gentoo.org/glsa/202102-01

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