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A firefox security update has been released for Red Hat Enterprise Linux 8.1.

RHSA-2022:7019-01: Important: firefox security update

Red Hat Security Advisory

Synopsis: Important: firefox security update
Advisory ID: RHSA-2022:7019-01
Product: Red Hat Enterprise Linux
Advisory URL:
Issue date: 2022-10-18
CVE Names: CVE-2022-40674

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.1
Update Services for SAP Solutions.

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 E4S (v. 8.1) - ppc64le, 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

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:

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

5. Bugs fixed (

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

6. Package List:

Red Hat Enterprise Linux AppStream E4S (v. 8.1):




These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from

7. References:

8. Contact:

The Red Hat security contact is . More contact
details at

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