Security Advisories›RHSA-2022:6702

RHSA-2022:6702 — 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 · September 26, 2022

Updated · November 22, 2025

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.

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 102.3.0 ESR.

Security Fix(es):

  • Mozilla: Bypassing FeaturePolicy restrictions on transient pages (CVE-2022-40959)

  • Mozilla: Data-race when parsing non-UTF-8 URLs in threads (CVE-2022-40960)

  • Mozilla: Memory safety bugs fixed in Firefox 105 and Firefox ESR 102.3 (CVE-2022-40962)

  • Mozilla: Bypassing Secure Context restriction for cookies with __Host and __Secure prefix (CVE-2022-40958)

  • Mozilla: Content-Security-Policy base-uri bypass (CVE-2022-40956)

  • Mozilla: Incoherent instruction cache when building WASM on ARM64 (CVE-2022-40957)

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.

Related CVEs