RHSA-2022:6702 — Security Advisory
Red Hat Security Advisory: firefox security update
Severity
ImportantRed Hat Product Security
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):
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Mozilla: Bypassing FeaturePolicy restrictions on transient pages (CVE-2022-40959)
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Mozilla: Data-race when parsing non-UTF-8 URLs in threads (CVE-2022-40960)
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Mozilla: Memory safety bugs fixed in Firefox 105 and Firefox ESR 102.3 (CVE-2022-40962)
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Mozilla: Bypassing Secure Context restriction for cookies with __Host and __Secure prefix (CVE-2022-40958)
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Mozilla: Content-Security-Policy base-uri bypass (CVE-2022-40956)
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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.