[RHSA-2022:7022-01] Important: firefox security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Important: firefox security update
Advisory ID:       RHSA-2022:7022-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:7022
Issue date:        2022-10-18
CVE Names:         CVE-2022-40674 
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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 102.3.0 ESR.

Security Fix(es):

* expat: a use-after-free in the doContent function in xmlparse.c
(CVE-2022-40674)

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/):

2130769 - CVE-2022-40674 expat: a use-after-free in the doContent function in xmlparse.c

6. Package List:

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

Source:
firefox-102.3.0-7.el8_2.src.rpm

aarch64:
firefox-102.3.0-7.el8_2.aarch64.rpm
firefox-debuginfo-102.3.0-7.el8_2.aarch64.rpm
firefox-debugsource-102.3.0-7.el8_2.aarch64.rpm

ppc64le:
firefox-102.3.0-7.el8_2.ppc64le.rpm
firefox-debuginfo-102.3.0-7.el8_2.ppc64le.rpm
firefox-debugsource-102.3.0-7.el8_2.ppc64le.rpm

s390x:
firefox-102.3.0-7.el8_2.s390x.rpm
firefox-debuginfo-102.3.0-7.el8_2.s390x.rpm
firefox-debugsource-102.3.0-7.el8_2.s390x.rpm

x86_64:
firefox-102.3.0-7.el8_2.x86_64.rpm
firefox-debuginfo-102.3.0-7.el8_2.x86_64.rpm
firefox-debugsource-102.3.0-7.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-2022-40674
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2022 Red Hat, Inc.
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