Operating System:

[RedHat]

Published:

19 September 2023

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2023.5312
                        thunderbird security update
                             19 September 2023

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           thunderbird
Publisher:         Red Hat
Operating System:  Red Hat
Resolution:        Patch/Upgrade
CVE Names:         CVE-2023-4863  

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2023:5185

Comment: CVSS (Max):  9.6 CVE-2023-4863 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)
         CVSS Source: Red Hat
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
         
         The following are listed in the CISA Known Exploited Vulnerabilities (KEV) Catalog:
         CISA KEV CVE(s): CVE-2023-4863
         CISA KEV URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

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                   Red Hat Security Advisory

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2023:5185-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:5185
Issue date:        2023-09-18
CVE Names:         CVE-2023-4863 
=====================================================================

1. Summary:

An update for thunderbird is now available for Red Hat Enterprise Linux 8.4
Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4
Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 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 AUS (v.8.4) - x86_64
Red Hat Enterprise Linux AppStream E4S (v.8.4) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream TUS (v.8.4) - aarch64, ppc64le, s390x, 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 AUS (v.8.4):

Source:
thunderbird-102.15.1-1.el8_4.src.rpm

x86_64:
thunderbird-102.15.1-1.el8_4.x86_64.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.x86_64.rpm
thunderbird-debugsource-102.15.1-1.el8_4.x86_64.rpm

Red Hat Enterprise Linux AppStream E4S (v.8.4):

Source:
thunderbird-102.15.1-1.el8_4.src.rpm

aarch64:
thunderbird-102.15.1-1.el8_4.aarch64.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.aarch64.rpm
thunderbird-debugsource-102.15.1-1.el8_4.aarch64.rpm

ppc64le:
thunderbird-102.15.1-1.el8_4.ppc64le.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.ppc64le.rpm
thunderbird-debugsource-102.15.1-1.el8_4.ppc64le.rpm

s390x:
thunderbird-102.15.1-1.el8_4.s390x.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.s390x.rpm
thunderbird-debugsource-102.15.1-1.el8_4.s390x.rpm

x86_64:
thunderbird-102.15.1-1.el8_4.x86_64.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.x86_64.rpm
thunderbird-debugsource-102.15.1-1.el8_4.x86_64.rpm

Red Hat Enterprise Linux AppStream TUS (v.8.4):

Source:
thunderbird-102.15.1-1.el8_4.src.rpm

aarch64:
thunderbird-102.15.1-1.el8_4.aarch64.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.aarch64.rpm
thunderbird-debugsource-102.15.1-1.el8_4.aarch64.rpm

ppc64le:
thunderbird-102.15.1-1.el8_4.ppc64le.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.ppc64le.rpm
thunderbird-debugsource-102.15.1-1.el8_4.ppc64le.rpm

s390x:
thunderbird-102.15.1-1.el8_4.s390x.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.s390x.rpm
thunderbird-debugsource-102.15.1-1.el8_4.s390x.rpm

x86_64:
thunderbird-102.15.1-1.el8_4.x86_64.rpm
thunderbird-debuginfo-102.15.1-1.el8_4.x86_64.rpm
thunderbird-debugsource-102.15.1-1.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/

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.
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