Home / mailings [RHSA-2023:5188-01] Important: thunderbird security update
Posted on 18 September 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2023:5188-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5188
Issue date: 2023-09-18
CVE Names: CVE-2023-4863
=====================================================================
1. Summary:
An update for thunderbird is now available for Red Hat Enterprise Linux 8.1
Update Services for SAP Solutions.
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 E4S (v. 8.1) - ppc64le, x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 102.15.1.
Security Fix(es):
* libwebp: Heap buffer overflow in WebP Codec (CVE-2023-4863)
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/):
2238431 - CVE-2023-4863 libwebp: Heap buffer overflow in WebP Codec
6. Package List:
Red Hat Enterprise Linux AppStream E4S (v. 8.1):
Source:
thunderbird-102.15.1-1.el8_1.src.rpm
ppc64le:
thunderbird-102.15.1-1.el8_1.ppc64le.rpm
thunderbird-debuginfo-102.15.1-1.el8_1.ppc64le.rpm
thunderbird-debugsource-102.15.1-1.el8_1.ppc64le.rpm
x86_64:
thunderbird-102.15.1-1.el8_1.x86_64.rpm
thunderbird-debuginfo-102.15.1-1.el8_1.x86_64.rpm
thunderbird-debugsource-102.15.1-1.el8_1.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-2023-4863
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 2023 Red Hat, Inc.
