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Gentoo: GLSA-202107-09 Normal: Mozilla Firefox Arbitrary Code Execution

gentoo
Calendar Grey July 7, 2021
Dist Gentoo Esm H88
New vulnerabilities identified in Mozilla Firefox. Gentoo users recommended to update to mitigate potential code execution threats.
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 update gentoo code execution firefox arbitrary execution normal severity

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
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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: July 07, 2021
Bugs: #794082
ID: 202107-09

Topics%20covered

Topics Covered

security advisory update gentoo code execution firefox arbitrary execution normal severity

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 < 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

Impact

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

Workaround

There is no known workaround at this time.

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