[ GLSA 202004-07 ] Mozilla Firefox: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 202004-07
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Mozilla Firefox: Multiple vulnerabilities
     Date: April 04, 2020
     Bugs: #716098
       ID: 202004-07

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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           < 74.0.1                 *>= 68.6.1
                                                           *>= 74.0.1

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

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

Impact
======

A remote attacker could entice a user to view a specially crafted web
page, possibly resulting in the execution of arbitrary code with the
privileges of the process or a Denial of Service condition.

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-68.6.1"

All Mozilla Firefox users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-client/firefox-74.0.1"

References
==========

[ 1 ] CVE-2020-6819
      https://nvd.nist.gov/vuln/detail/CVE-2020-6819
[ 2 ] CVE-2020-6820
      https://nvd.nist.gov/vuln/detail/CVE-2020-6820
[ 3 ] MFSA-2020-11
      https://www.mozilla.org/en-US/security/advisories/mfsa2020-11/

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

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

 https://security.gentoo.org/glsa/202004-07

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 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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