RHSA-2023:4069 — Security Advisory

Red Hat Security Advisory: firefox security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · July 13, 2023

Updated · November 22, 2025

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.6 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 102.13.0 ESR.

Security Fix(es):

Mozilla: Use-after-free in WebRTC certificate generation (CVE-2023-37201)
Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey (CVE-2023-37202)
Mozilla: Memory safety bugs fixed in Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13 (CVE-2023-37211)
Mozilla: Fullscreen notification obscured (CVE-2023-37207)
Mozilla: Lack of warning when opening Diagcab files (CVE-2023-37208)

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.