RHSA-2023:3562 — Security Advisory
Red Hat Security Advisory: firefox security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · June 13, 2023
Updated · November 22, 2025
Topic
An update for firefox is now available for Red Hat Enterprise Linux 9.0 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.
Description
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 102.12.0 ESR.
Security Fix(es):
-
Mozilla: Click-jacking certificate exceptions through rendering lag (CVE-2023-34414)
-
Mozilla: Memory safety bugs fixed in Firefox 114 and Firefox ESR 102.12 (CVE-2023-34416)
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.