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Red Hat Enterprise 8.4: RHSA-2022:6995-01 Important: Thunderbird Update

red hat
Calendar Grey October 18, 2022
Dist Redhat Esm H88
A critical patch for Thunderbird on CentOS to fix a memory management flaw leading to potential exploitation.
An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 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 102.3.0.
Security Fix(es):
* expat: a use-after-free in the doContent function in xmlparse.c (CVE-2022-40674)
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 red hat security fix thunderbird important update email client use-after-free

References

https://access.redhat.com/security/cve/CVE-2022-40674 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.8.4):
Source: thunderbird-102.3.0-4.el8_4.src.rpm
aarch64: thunderbird-102.3.0-4.el8_4.aarch64.rpm thunderbird-debuginfo-102.3.0-4.el8_4.aarch64.rpm thunderbird-debugsource-102.3.0-4.el8_4.aarch64.rpm
ppc64le: thunderbird-102.3.0-4.el8_4.ppc64le.rpm thunderbird-debuginfo-102.3.0-4.el8_4.ppc64le.rpm thunderbird-debugsource-102.3.0-4.el8_4.ppc64le.rpm
s390x: thunderbird-102.3.0-4.el8_4.s390x.rpm thunderbird-debuginfo-102.3.0-4.el8_4.s390x.rpm thunderbird-debugsource-102.3.0-4.el8_4.s390x.rpm
x86_64: thunderbird-102.3.0-4.el8_4.x86_64.rpm thunderbird-debuginfo-102.3.0-4.el8_4.x86_64.rpm thunderbird-debugsource-102.3.0-4.el8_4.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-2022:6995-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6995
Issue date: 2022-10-18

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.4Extended 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.

Topics%20covered

Topics Covered

security advisory red hat security fix thunderbird important update email client use-after-free

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2130769 - CVE-2022-40674 expat: a use-after-free in the doContent function in xmlparse.c

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