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Gentoo: GLSA-202102-01 Critical: Firefox Code Execution Risks

gentoo
Calendar Grey January 31, 2021
Dist Gentoo Esm H88
Gentoo Linux Security Advisory GLSA 202302-03 addresses vulnerabilities in Google Chrome impacting a range of releases.
Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo critical code execution firefox arbitrary execution security flaws multiple flaws

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...

Read the Full Advisory

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202102-01
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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.

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

Topics%20covered

Topics Covered

security advisory gentoo critical code execution firefox arbitrary execution security flaws multiple flaws

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.

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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

Impact

===== Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

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