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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2023:1809-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:1809
Issue date:        2023-04-17
CVE Names:         CVE-2023-0547 CVE-2023-1945 CVE-2023-28427 
                   CVE-2023-29479 CVE-2023-29533 CVE-2023-29535 
                   CVE-2023-29536 CVE-2023-29539 CVE-2023-29541 
                   CVE-2023-29548 CVE-2023-29550 
=====================================================================

1. Summary:

An update for thunderbird is now available for Red Hat Enterprise Linux 9.

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 (v. 9) - aarch64, ppc64le, s390x, x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 102.10.0.

Security Fix(es):

* Thunderbird: Revocation status of S/Mime recipient certificates was not
checked (CVE-2023-0547)

* Mozilla: Matrix SDK bundled with Thunderbird vulnerable to
denial-of-service attack (CVE-2023-28427)

* Mozilla: Fullscreen notification obscured (CVE-2023-29533)

* Mozilla: Potential Memory Corruption following Garbage Collector
compaction (CVE-2023-29535)

* Mozilla: Invalid free from JavaScript code (CVE-2023-29536)

* Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10
(CVE-2023-29550)

* Mozilla: Memory Corruption in Safe Browsing Code (CVE-2023-1945)

* Thunderbird: Hang when processing certain OpenPGP messages
(CVE-2023-29479)

* Mozilla: Content-Disposition filename truncation leads to Reflected File
Download (CVE-2023-29539)

* Mozilla: Files with malicious extensions could have been downloaded
unsafely on Linux (CVE-2023-29541)

* Mozilla: Incorrect optimization result on ARM64 (CVE-2023-29548)

* MFSA-TMP-2023-0001 Mozilla: Double-free in libwebp (BZ#2186102)

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/):

2183278 - CVE-2023-28427 Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack
2186101 - CVE-2023-29533 Mozilla: Fullscreen notification obscured
2186102 - MFSA-TMP-2023-0001 Mozilla: Double-free in libwebp
2186103 - CVE-2023-29535 Mozilla: Potential Memory Corruption following Garbage Collector compaction
2186104 - CVE-2023-29536 Mozilla: Invalid free from JavaScript code
2186105 - CVE-2023-29539 Mozilla: Content-Disposition filename truncation leads to Reflected File Download
2186106 - CVE-2023-29541 Mozilla: Files with malicious extensions could have been downloaded unsafely on Linux
2186109 - CVE-2023-1945 Mozilla: Memory Corruption in Safe Browsing Code
2186110 - CVE-2023-29548 Mozilla: Incorrect optimization result on ARM64
2186111 - CVE-2023-29550 Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10
2186734 - CVE-2023-0547 Thunderbird: Revocation status of S/Mime recipient certificates was not checked
2186735 - CVE-2023-29479 Thunderbird: Hang when processing certain OpenPGP messages

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
thunderbird-102.10.0-2.el9_1.src.rpm

aarch64:
thunderbird-102.10.0-2.el9_1.aarch64.rpm
thunderbird-debuginfo-102.10.0-2.el9_1.aarch64.rpm
thunderbird-debugsource-102.10.0-2.el9_1.aarch64.rpm

ppc64le:
thunderbird-102.10.0-2.el9_1.ppc64le.rpm
thunderbird-debuginfo-102.10.0-2.el9_1.ppc64le.rpm
thunderbird-debugsource-102.10.0-2.el9_1.ppc64le.rpm

s390x:
thunderbird-102.10.0-2.el9_1.s390x.rpm
thunderbird-debuginfo-102.10.0-2.el9_1.s390x.rpm
thunderbird-debugsource-102.10.0-2.el9_1.s390x.rpm

x86_64:
thunderbird-102.10.0-2.el9_1.x86_64.rpm
thunderbird-debuginfo-102.10.0-2.el9_1.x86_64.rpm
thunderbird-debugsource-102.10.0-2.el9_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-2023-0547
https://access.redhat.com/security/cve/CVE-2023-1945
https://access.redhat.com/security/cve/CVE-2023-28427
https://access.redhat.com/security/cve/CVE-2023-29479
https://access.redhat.com/security/cve/CVE-2023-29533
https://access.redhat.com/security/cve/CVE-2023-29535
https://access.redhat.com/security/cve/CVE-2023-29536
https://access.redhat.com/security/cve/CVE-2023-29539
https://access.redhat.com/security/cve/CVE-2023-29541
https://access.redhat.com/security/cve/CVE-2023-29548
https://access.redhat.com/security/cve/CVE-2023-29550
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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