RHSA-2022:7020: Important: firefox security update

Published Oct 18, 2022
·
Updated

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.

Affected Software

12 affected componentsFixes available
redhat/firefox<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox-debuginfo<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox-debugsource<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox-debuginfo<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox-debugsource<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox-debuginfo<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox-debugsource<102.3.0-7.el9_0
102.3.0-7.el9_0
redhat/firefox<102.3.0-7.el9_0.aa
102.3.0-7.el9_0.aa
redhat/firefox-debuginfo<102.3.0-7.el9_0.aa
102.3.0-7.el9_0.aa
redhat/firefox-debugsource<102.3.0-7.el9_0.aa
102.3.0-7.el9_0.aa

Remediation

Event History

Mar 31, 2025
Advisory Published
via Red Hat·05:07 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of RHSA-2022:7020?

The severity of RHSA-2022:7020 is classified as important.

2

How do I fix RHSA-2022:7020?

To fix RHSA-2022:7020, update your Firefox installation to version 102.3.0-7.el9_0 or later.

3

What is the vulnerability in RHSA-2022:7020?

RHSA-2022:7020 addresses a use-after-free vulnerability in the doContent function in xmlparse.c, identified as CVE-2022-40674.

4

Which versions of Firefox are affected by RHSA-2022:7020?

Firefox versions prior to 102.3.0-7.el9_0 are affected by RHSA-2022:7020.

5

Is there a workaround for RHSA-2022:7020?

There are no official workarounds for RHSA-2022:7020; updating Firefox is the recommended action.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203