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Crucial Thunderbird Security Update for Red Hat Enterprise Linux 8.1

red hat
Calendar Grey August 6, 2020
Dist Redhat Esm H88
Bolster your Thunderbird setup on Red Hat Enterprise Linux 8.1 by applying this essential patch addressing key vulnerabilities.
An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of Thunderbird must be restarted for the update to take effect.

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.11.0.
Security Fix(es):
* chromium-browser: Use after free in ANGLE (CVE-2020-6463)
* chromium-browser: Inappropriate implementation in WebRTC (CVE-2020-6514)
* Mozilla: Potential leak of redirect targets when loading scripts in a worker (CVE-2020-15652)
* Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11 (CVE-2020-15659)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

https://access.redhat.com/security/cve/CVE-2020-6463 https://access.redhat.com/security/cve/CVE-2020-6514 https://access.redhat.com/security/cve/CVE-2020-15652 https://access.redhat.com/security/cve/CVE-2020-15659 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source: thunderbird-68.11.0-1.el8_1.src.rpm
ppc64le: thunderbird-68.11.0-1.el8_1.ppc64le.rpm thunderbird-debuginfo-68.11.0-1.el8_1.ppc64le.rpm thunderbird-debugsource-68.11.0-1.el8_1.ppc64le.rpm
x86_64: thunderbird-68.11.0-1.el8_1.x86_64.rpm thunderbird-debuginfo-68.11.0-1.el8_1.x86_64.rpm thunderbird-debugsource-68.11.0-1.el8_1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:3342-01
Product: Red Hat Enterprise Linux
Issue date: 2020-08-06

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - ppc64le, x86_64

Bugs Fixed

1840893 - CVE-2020-6463 chromium-browser: Use after free in ANGLE

1857349 - CVE-2020-6514 chromium-browser: Inappropriate implementation in WebRTC

1861570 - CVE-2020-15652 Mozilla: Potential leak of redirect targets when loading scripts in a worker

1861572 - CVE-2020-15659 Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11

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