-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================                   
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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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pNcp
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce