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

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2022:4589-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:4589
Issue date:        2022-05-18
CVE Names:         CVE-2022-1520 CVE-2022-29909 CVE-2022-29911 
                   CVE-2022-29912 CVE-2022-29913 CVE-2022-29914 
                   CVE-2022-29916 CVE-2022-29917 
=====================================================================

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 91.9.0.

Security Fix(es):

* Mozilla: Bypassing permission prompt in nested browsing contexts
(CVE-2022-29909)

* Mozilla: iframe Sandbox bypass (CVE-2022-29911)

* Mozilla: Fullscreen notification bypass using popups (CVE-2022-29914)

* Mozilla: Leaking browser history with CSS variables (CVE-2022-29916)

* Mozilla: Memory safety bugs fixed in Firefox 100 and Firefox ESR 91.9
(CVE-2022-29917)

* Mozilla: Reader mode bypassed SameSite cookies (CVE-2022-29912)

* Mozilla: Speech Synthesis feature not properly disabled (CVE-2022-29913)

* Mozilla: Incorrect security status shown after viewing an attached email
(CVE-2022-1520)

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/):

2081468 - CVE-2022-29914 Mozilla: Fullscreen notification bypass using popups
2081469 - CVE-2022-29909 Mozilla: Bypassing permission prompt in nested browsing contexts
2081470 - CVE-2022-29916 Mozilla: Leaking browser history with CSS variables
2081471 - CVE-2022-29911 Mozilla: iframe Sandbox bypass
2081472 - CVE-2022-29912 Mozilla: Reader mode bypassed SameSite cookies
2081473 - CVE-2022-29917 Mozilla: Memory safety bugs fixed in Firefox 100 and Firefox ESR 91.9
2082037 - CVE-2022-1520 Mozilla: Incorrect security status shown after viewing an attached email
2082038 - CVE-2022-29913 Mozilla: Speech Synthesis feature not properly disabled

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
thunderbird-91.9.0-3.el9_0.src.rpm

aarch64:
thunderbird-91.9.0-3.el9_0.aarch64.rpm
thunderbird-debuginfo-91.9.0-3.el9_0.aarch64.rpm
thunderbird-debugsource-91.9.0-3.el9_0.aarch64.rpm

ppc64le:
thunderbird-91.9.0-3.el9_0.ppc64le.rpm
thunderbird-debuginfo-91.9.0-3.el9_0.ppc64le.rpm
thunderbird-debugsource-91.9.0-3.el9_0.ppc64le.rpm

s390x:
thunderbird-91.9.0-3.el9_0.s390x.rpm
thunderbird-debuginfo-91.9.0-3.el9_0.s390x.rpm
thunderbird-debugsource-91.9.0-3.el9_0.s390x.rpm

x86_64:
thunderbird-91.9.0-3.el9_0.x86_64.rpm
thunderbird-debuginfo-91.9.0-3.el9_0.x86_64.rpm
thunderbird-debugsource-91.9.0-3.el9_0.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-2022-1520
https://access.redhat.com/security/cve/CVE-2022-29909
https://access.redhat.com/security/cve/CVE-2022-29911
https://access.redhat.com/security/cve/CVE-2022-29912
https://access.redhat.com/security/cve/CVE-2022-29913
https://access.redhat.com/security/cve/CVE-2022-29914
https://access.redhat.com/security/cve/CVE-2022-29916
https://access.redhat.com/security/cve/CVE-2022-29917
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.
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