A Mozilla Firefox security update has been released for Gentoo Linux.
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Gentoo Linux Security Advisory GLSA 202104-10
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https://security.gentoo.org/
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Severity: Normal
Title: Mozilla Firefox: Multiple vulnerabilities
Date: April 30, 2021
Bugs: #772305, #778269, #784572
ID: 202104-10
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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 < 88.0 >= 78.10.0:0/esr78
>= 88.0
2 www-client/firefox-bin < 88.0 >= 78.10.0:0/esr78
>= 88.0
-------------------------------------------------------------------
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-78.10.0"
All Mozilla Firefox ESR binary users should upgrade to the latest
version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-bin-78.10.0"
All Mozilla Firefox users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-88.0"
All Mozilla Firefox binary users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-bin-88.0"
References
==========
[ 1 ] CVE-2021-23961
https://nvd.nist.gov/vuln/detail/CVE-2021-23961
[ 2 ] CVE-2021-23968
https://nvd.nist.gov/vuln/detail/CVE-2021-23968
[ 3 ] CVE-2021-23969
https://nvd.nist.gov/vuln/detail/CVE-2021-23969
[ 4 ] CVE-2021-23970
https://nvd.nist.gov/vuln/detail/CVE-2021-23970
[ 5 ] CVE-2021-23971
https://nvd.nist.gov/vuln/detail/CVE-2021-23971
[ 6 ] CVE-2021-23972
https://nvd.nist.gov/vuln/detail/CVE-2021-23972
[ 7 ] CVE-2021-23973
https://nvd.nist.gov/vuln/detail/CVE-2021-23973
[ 8 ] CVE-2021-23974
https://nvd.nist.gov/vuln/detail/CVE-2021-23974
[ 9 ] CVE-2021-23975
https://nvd.nist.gov/vuln/detail/CVE-2021-23975
[ 10 ] CVE-2021-23976
https://nvd.nist.gov/vuln/detail/CVE-2021-23976
[ 11 ] CVE-2021-23977
https://nvd.nist.gov/vuln/detail/CVE-2021-23977
[ 12 ] CVE-2021-23978
https://nvd.nist.gov/vuln/detail/CVE-2021-23978
[ 13 ] CVE-2021-23981
https://nvd.nist.gov/vuln/detail/CVE-2021-23981
[ 14 ] CVE-2021-23982
https://nvd.nist.gov/vuln/detail/CVE-2021-23982
[ 15 ] CVE-2021-23983
https://nvd.nist.gov/vuln/detail/CVE-2021-23983
[ 16 ] CVE-2021-23984
https://nvd.nist.gov/vuln/detail/CVE-2021-23984
[ 17 ] CVE-2021-23985
https://nvd.nist.gov/vuln/detail/CVE-2021-23985
[ 18 ] CVE-2021-23986
https://nvd.nist.gov/vuln/detail/CVE-2021-23986
[ 19 ] CVE-2021-23987
https://nvd.nist.gov/vuln/detail/CVE-2021-23987
[ 20 ] CVE-2021-23988
https://nvd.nist.gov/vuln/detail/CVE-2021-23988
[ 21 ] CVE-2021-23994
https://nvd.nist.gov/vuln/detail/CVE-2021-23994
[ 22 ] CVE-2021-23995
https://nvd.nist.gov/vuln/detail/CVE-2021-23995
[ 23 ] CVE-2021-23998
https://nvd.nist.gov/vuln/detail/CVE-2021-23998
[ 24 ] CVE-2021-23999
https://nvd.nist.gov/vuln/detail/CVE-2021-23999
[ 25 ] CVE-2021-24002
https://nvd.nist.gov/vuln/detail/CVE-2021-24002
[ 26 ] CVE-2021-29945
https://nvd.nist.gov/vuln/detail/CVE-2021-29945
[ 27 ] CVE-2021-29946
https://nvd.nist.gov/vuln/detail/CVE-2021-29946
[ 28 ] MFSA-2021-08
https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/
[ 29 ] MFSA-2021-11
https://www.mozilla.org/en-US/security/advisories/mfsa2021-11/
[ 30 ] MFSA-2021-15
https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202104-10
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
