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Red Hat Enterprise Linux 8.2 RHSA-2021:0088-01 Critical: Thunderbird Issue

red hat
Calendar Grey January 13, 2021
Dist Redhat Esm H88
Important security patch released for Thunderbird on RHEL 8.2 Extended Support, tackling a significant vulnerability.
An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 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 78.6.1.
Security Fix(es):
* Mozilla: Use-after-free write when handling a malicious COOKIE-ECHO SCTP chunk (CVE-2020-16044)
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 security issue Red Hat Enterprise Linux critical update update instructions system patch thunderbird mail client Thunderbird

References

https://access.redhat.com/security/cve/CVE-2020-16044 https://access.redhat.com/security/updates/classification#critical

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: thunderbird-78.6.1-1.el8_2.src.rpm
aarch64: thunderbird-78.6.1-1.el8_2.aarch64.rpm thunderbird-debuginfo-78.6.1-1.el8_2.aarch64.rpm thunderbird-debugsource-78.6.1-1.el8_2.aarch64.rpm
ppc64le: thunderbird-78.6.1-1.el8_2.ppc64le.rpm thunderbird-debuginfo-78.6.1-1.el8_2.ppc64le.rpm thunderbird-debugsource-78.6.1-1.el8_2.ppc64le.rpm
x86_64: thunderbird-78.6.1-1.el8_2.x86_64.rpm thunderbird-debuginfo-78.6.1-1.el8_2.x86_64.rpm thunderbird-debugsource-78.6.1-1.el8_2.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
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:0088-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0088
Issue date: 2021-01-13

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.2Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat Enterprise Linux critical update update instructions system patch thunderbird mail client Thunderbird

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, ppc64le, x86_64

Bugs Fixed

1913503 - CVE-2020-16044 Mozilla: Use-after-free write when handling a malicious COOKIE-ECHO SCTP chunk

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