A firefox security update has been released for Red Hat Enterprise Linux 8.2.

RHSA-2022:0132-03: Important: firefox security update

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Red Hat Security Advisory

Synopsis: Important: firefox security update
Advisory ID: RHSA-2022:0132-01
Product: Red Hat Enterprise Linux
Advisory URL:   https://access.redhat.com/errata/RHSA-2022:0132
Issue date: 2022-01-12
CVE Names: CVE-2021-4140 CVE-2022-22737 CVE-2022-22738
CVE-2022-22739 CVE-2022-22740 CVE-2022-22741
CVE-2022-22742 CVE-2022-22743 CVE-2022-22745
CVE-2022-22747 CVE-2022-22748 CVE-2022-22751
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1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.2
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. 8.2) - 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 91.5.0 ESR.

Security Fix(es):

* Mozilla: Iframe sandbox bypass with XSLT (CVE-2021-4140)

* Mozilla: Race condition when playing audio files (CVE-2022-22737)

* Mozilla: Heap-buffer-overflow in blendGaussianBlur (CVE-2022-22738)

* Mozilla: Use-after-free of ChannelEventQueue::mOwner (CVE-2022-22740)

* Mozilla: Browser window spoof using fullscreen mode (CVE-2022-22741)

* Mozilla: Out-of-bounds memory access when inserting text in edit mode
(CVE-2022-22742)

* Mozilla: Browser window spoof using fullscreen mode (CVE-2022-22743)

* Mozilla: Memory safety bugs fixed in Firefox 96 and Firefox ESR 91.5
(CVE-2022-22751)

* Mozilla: Leaking cross-origin URLs through securitypolicyviolation event
(CVE-2022-22745)

* Mozilla: Spoofed origin on external protocol launch dialog
(CVE-2022-22748)

* Mozilla: Missing throttling on external protocol launch dialog
(CVE-2022-22739)

* Mozilla: Crash when handling empty pkcs7 sequence (CVE-2022-22747)

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/):

2039561 - CVE-2022-22743 Mozilla: Browser window spoof using fullscreen mode
2039563 - CVE-2022-22742 Mozilla: Out-of-bounds memory access when inserting text in edit mode
2039564 - CVE-2022-22741 Mozilla: Browser window spoof using fullscreen mode
2039565 - CVE-2022-22740 Mozilla: Use-after-free of ChannelEventQueue::mOwner
2039566 - CVE-2022-22738 Mozilla: Heap-buffer-overflow in blendGaussianBlur
2039567 - CVE-2022-22737 Mozilla: Race condition when playing audio files
2039568 - CVE-2021-4140 Mozilla: Iframe sandbox bypass with XSLT
2039569 - CVE-2022-22748 Mozilla: Spoofed origin on external protocol launch dialog
2039570 - CVE-2022-22745 Mozilla: Leaking cross-origin URLs through securitypolicyviolation event
2039572 - CVE-2022-22747 Mozilla: Crash when handling empty pkcs7 sequence
2039573 - CVE-2022-22739 Mozilla: Missing throttling on external protocol launch dialog
2039574 - CVE-2022-22751 Mozilla: Memory safety bugs fixed in Firefox 96 and Firefox ESR 91.5

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

Source:
firefox-91.5.0-1.el8_2.src.rpm

aarch64:
firefox-91.5.0-1.el8_2.aarch64.rpm
firefox-debuginfo-91.5.0-1.el8_2.aarch64.rpm
firefox-debugsource-91.5.0-1.el8_2.aarch64.rpm

ppc64le:
firefox-91.5.0-1.el8_2.ppc64le.rpm
firefox-debuginfo-91.5.0-1.el8_2.ppc64le.rpm
firefox-debugsource-91.5.0-1.el8_2.ppc64le.rpm

s390x:
firefox-91.5.0-1.el8_2.s390x.rpm
firefox-debuginfo-91.5.0-1.el8_2.s390x.rpm
firefox-debugsource-91.5.0-1.el8_2.s390x.rpm

x86_64:
firefox-91.5.0-1.el8_2.x86_64.rpm
firefox-debuginfo-91.5.0-1.el8_2.x86_64.rpm
firefox-debugsource-91.5.0-1.el8_2.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-2021-4140
  https://access.redhat.com/security/cve/CVE-2022-22737
  https://access.redhat.com/security/cve/CVE-2022-22738
  https://access.redhat.com/security/cve/CVE-2022-22739
  https://access.redhat.com/security/cve/CVE-2022-22740
  https://access.redhat.com/security/cve/CVE-2022-22741
  https://access.redhat.com/security/cve/CVE-2022-22742
  https://access.redhat.com/security/cve/CVE-2022-22743
  https://access.redhat.com/security/cve/CVE-2022-22745
  https://access.redhat.com/security/cve/CVE-2022-22747
  https://access.redhat.com/security/cve/CVE-2022-22748
  https://access.redhat.com/security/cve/CVE-2022-22751
  https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at   https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.