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Red Hat Enterprise Linux 6: RHSA-2020:4947-01 Important: Thunderbird

red hat
Calendar Grey November 5, 2020
Dist Redhat Esm H88
Essential patch for Thunderbird on RHEL 6 focuses on significant vulnerabilities, enhancing safeguarding measures for users against potential risks.
An update for thunderbird is now available for Red Hat Enterprise Linux 6

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 78.4.0.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4 (CVE-2020-15683)
* chromium-browser: Use after free in WebRTC (CVE-2020-15969)
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.

Topics%20covered

Topics Covered

security advisory update red hat important linux thunderbird

References

https://access.redhat.com/security/cve/CVE-2020-15683 https://access.redhat.com/security/cve/CVE-2020-15969 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: thunderbird-78.4.0-1.el6_10.src.rpm
i386: thunderbird-78.4.0-1.el6_10.i686.rpm
x86_64: thunderbird-78.4.0-1.el6_10.x86_64.rpm thunderbird-debuginfo-78.4.0-1.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source: thunderbird-78.4.0-1.el6_10.src.rpm
i386: thunderbird-78.4.0-1.el6_10.i686.rpm
ppc64: thunderbird-78.4.0-1.el6_10.ppc64.rpm thunderbird-debuginfo-78.4.0-1.el6_10.ppc64.rpm
s390x: thunderbird-78.4.0-1.el6_10.s390x.rpm thunderbird-debuginfo-78.4.0-1.el6_10.s390x.rpm
x86_64: thunderbird-78.4.0-1.el6_10.x86_64.rpm thunderbird-debuginfo-78.4.0-1.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: thunderbird-78.4.0-1.el6_10.src.rpm
i386: thunderbird-78.4.0-1.el6_10.i686.rpm
x86_64: thunderbird-78.4.0-1.el6_10.i686.rpm thunderbird-78.4.0-1.el6_10.x86_64.rpm thunderbird-debuginfo-78.4.0-1.el6_10.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-2020:4947-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4947
Issue date: 2020-11-05

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 6.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.

Topics%20covered

Topics Covered

security advisory update red hat important linux thunderbird

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Bugs Fixed

1885885 - CVE-2020-15969 chromium-browser: Use after free in WebRTC

1889932 - CVE-2020-15683 Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4

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