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Gentoo: 202012-20 Normal: Mozilla Firefox And Thunderbird Code Risks

gentoo
Calendar Grey December 23, 2020
Dist Gentoo Esm H88
Recent vulnerabilities found in Firefox and Thunderbird demand immediate attention. Update your Gentoo installation to protect its integrity and maintain system reliability.
Multiple vulnerabilities have been found in Mozilla Firefox and Mozilla Thunderbird, the worst of which could result in the arbitrary execution of code

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo software update code execution firefox thunderbird code execution risk Mozilla Thunderbird Mozilla Firefox normal severity

Resolution

All Mozilla Firefox users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-84.0"
All Mozilla Firefox (bin) users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=www-client/firefox-bin-84.0"
All Mozilla Firefox ESR users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=www-client/firefox-78.6.0:0/esr78"
All Mozilla Firefox ESR (bin) users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=www-client/firefox-bin-78.6.0:0/esr78"
All Mozilla Thunderbird users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=mail-client/thunderbird-78.6.0"
All Mozilla Thunderbird (bin) users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=mail-client/thunderbird-bin-78.6.0"

References

[ 1 ] CVE-2020-16042 https://nvd.nist.gov/vuln/detail/CVE-2020-16042 [ 2 ] CVE-2020-26971 https://nvd.nist.gov/vuln/detail/CVE-2020-26971 [ 3 ] CVE-2020-26973 https://nvd.nist.gov/vuln/detail/CVE-2020-26973 [ 4 ] CVE-2020-26974 https://nvd.nist.gov/vuln/detail/CVE-2020-26974 [ 5 ] CVE-2020-26978 https://nvd.nist.gov/vuln/detail/CVE-2020-26978 [ 6 ] CVE-2020-35111 https://nvd.nist.gov/vuln/detail/CVE-2020-35111 [ 7 ] CVE-2020-35113 https://nvd.nist.gov/vuln/detail/CVE-2020-35113 [ 8 ] MFSA-2020-55 https://www.mozilla.org/en-US/security/advisories/mfsa2020-55/ [ 9 ] MFSA-2020-56 https://www.mozilla.org/en-US/security/advisories/mfsa2020-56/

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202012-20
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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, Mozilla Thunderbird: Multiple
Date: December 23, 2020
Bugs: #759097
ID: 202012-20

Topics%20covered

Topics Covered

security advisory gentoo software update code execution firefox thunderbird code execution risk Mozilla Thunderbird Mozilla Firefox normal severity

Synopsis

Multiple vulnerabilities have been found in Mozilla Firefox and Mozilla Thunderbird, 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. Mozilla Thunderbird is a popular open-source email client from the Mozilla project.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-client/firefox < 84.0 >= 78.6.0:0/esr78 >= 84.0 2 www-client/firefox-bin < 84.0 >= 78.6.0:0/esr78 >= 84.0 3 mail-client/thunderbird < 78.6.0 >= 78.6.0 4 mail-client/thunderbird-bin < 78.6.0 >= 78.6.0 ------------------------------------------------------------------- 4 affected packages

Impact

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

Workaround

There is no known workaround at this time.

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