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

Synopsis:          Important: firefox security update
Advisory ID:       RHSA-2023:4959-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:4959
Issue date:        2023-09-04
CVE Names:         CVE-2023-4051 CVE-2023-4053 CVE-2023-4573 
                   CVE-2023-4574 CVE-2023-4575 CVE-2023-4577 
                   CVE-2023-4578 CVE-2023-4580 CVE-2023-4581 
                   CVE-2023-4583 CVE-2023-4584 CVE-2023-4585 
=====================================================================

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.6
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.8.6) - aarch64, ppc64le, s390x, x86_64

3. Description:

Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.

This update upgrades Firefox to version 102.15.0 ESR.

Security Fix(es):

* Mozilla: Memory corruption in IPC CanvasTranslator (CVE-2023-4573)

* Mozilla: Memory corruption in IPC ColorPickerShownCallback
(CVE-2023-4574)

* Mozilla: Memory corruption in IPC FilePickerShownCallback (CVE-2023-4575)

* Mozilla: Memory corruption in JIT UpdateRegExpStatics (CVE-2023-4577)

* Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15,
Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2
(CVE-2023-4584)

* Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and
Thunderbird 115.2 (CVE-2023-4585)

* Mozilla: Full screen notification obscured by file open dialog
(CVE-2023-4051)

* Mozilla: Full screen notification obscured by external program
(CVE-2023-4053)

* Mozilla: Error reporting methods in SpiderMonkey could have triggered an
Out of Memory Exception (CVE-2023-4578)

* Mozilla: Push notifications saved to disk unencrypted (CVE-2023-4580)

* Mozilla: XLL file extensions were downloadable without warnings
(CVE-2023-4581)

* Mozilla: Browsing Context potentially not cleared when closing Private
Window (CVE-2023-4583)

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

After installing the update, Firefox must be restarted for the changes to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

2236071 - CVE-2023-4573 Mozilla: Memory corruption in IPC CanvasTranslator
2236072 - CVE-2023-4574 Mozilla: Memory corruption in IPC ColorPickerShownCallback
2236073 - CVE-2023-4575 Mozilla: Memory corruption in IPC FilePickerShownCallback
2236075 - CVE-2023-4577 Mozilla: Memory corruption in JIT UpdateRegExpStatics
2236076 - CVE-2023-4051 Mozilla: Full screen notification obscured by file open dialog
2236077 - CVE-2023-4578 Mozilla: Error reporting methods in SpiderMonkey could have triggered an Out of Memory Exception
2236078 - CVE-2023-4053 Mozilla: Full screen notification obscured by external program
2236079 - CVE-2023-4580 Mozilla: Push notifications saved to disk unencrypted
2236080 - CVE-2023-4581 Mozilla: XLL file extensions were downloadable without warnings
2236082 - CVE-2023-4583 Mozilla: Browsing Context potentially not cleared when closing Private Window
2236084 - CVE-2023-4584 Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2
2236086 - CVE-2023-4585 Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.8.6):

Source:
firefox-102.15.0-1.el8_6.src.rpm

aarch64:
firefox-102.15.0-1.el8_6.aarch64.rpm
firefox-debuginfo-102.15.0-1.el8_6.aarch64.rpm
firefox-debugsource-102.15.0-1.el8_6.aarch64.rpm

ppc64le:
firefox-102.15.0-1.el8_6.ppc64le.rpm
firefox-debuginfo-102.15.0-1.el8_6.ppc64le.rpm
firefox-debugsource-102.15.0-1.el8_6.ppc64le.rpm

s390x:
firefox-102.15.0-1.el8_6.s390x.rpm
firefox-debuginfo-102.15.0-1.el8_6.s390x.rpm
firefox-debugsource-102.15.0-1.el8_6.s390x.rpm

x86_64:
firefox-102.15.0-1.el8_6.x86_64.rpm
firefox-debuginfo-102.15.0-1.el8_6.x86_64.rpm
firefox-debugsource-102.15.0-1.el8_6.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-2023-4051
https://access.redhat.com/security/cve/CVE-2023-4053
https://access.redhat.com/security/cve/CVE-2023-4573
https://access.redhat.com/security/cve/CVE-2023-4574
https://access.redhat.com/security/cve/CVE-2023-4575
https://access.redhat.com/security/cve/CVE-2023-4577
https://access.redhat.com/security/cve/CVE-2023-4578
https://access.redhat.com/security/cve/CVE-2023-4580
https://access.redhat.com/security/cve/CVE-2023-4581
https://access.redhat.com/security/cve/CVE-2023-4583
https://access.redhat.com/security/cve/CVE-2023-4584
https://access.redhat.com/security/cve/CVE-2023-4585
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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