Home / mailings [RHSA-2022:6996-01] Important: thunderbird security update
Posted on 18 October 2022
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2022:6996-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6996
Issue date: 2022-10-18
CVE Names: CVE-2022-40674
=====================================================================
1. Summary:
An update for thunderbird is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, ppc64le, x86_64
3. Description:
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.
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
2130769 - CVE-2022-40674 expat: a use-after-free in the doContent function in xmlparse.c
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source:
thunderbird-102.3.0-4.el8_2.src.rpm
aarch64:
thunderbird-102.3.0-4.el8_2.aarch64.rpm
thunderbird-debuginfo-102.3.0-4.el8_2.aarch64.rpm
thunderbird-debugsource-102.3.0-4.el8_2.aarch64.rpm
ppc64le:
thunderbird-102.3.0-4.el8_2.ppc64le.rpm
thunderbird-debuginfo-102.3.0-4.el8_2.ppc64le.rpm
thunderbird-debugsource-102.3.0-4.el8_2.ppc64le.rpm
x86_64:
thunderbird-102.3.0-4.el8_2.x86_64.rpm
thunderbird-debuginfo-102.3.0-4.el8_2.x86_64.rpm
thunderbird-debugsource-102.3.0-4.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/
7. References:
https://access.redhat.com/security/cve/CVE-2022-40674
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2022 Red Hat, Inc.
