RHSA-2023:0811 — Security Advisory

An update for firefox is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions.

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.

[Updated 09 March 2023]

The CVE-2023-0767 was previously incorrectly listed as fixed in this erratum. The CVE list was updated to remove the CVE. No changes have been made to the packages.

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 102.8.0 ESR.

Security Fix(es):

• Mozilla: Content security policy leak in violation reports using iframes (CVE-2023-25728)

• Mozilla: Screen hijack via browser fullscreen mode (CVE-2023-25730)

• Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey (CVE-2023-25735)

• Mozilla: Invalid downcast in SVGUtils::SetupStrokeGeometry (CVE-2023-25737)

• Mozilla: Use-after-free in mozilla::dom::ScriptLoadContext::~ScriptLoadContext (CVE-2023-25739)

• Mozilla: Fullscreen notification not shown in Firefox Focus (CVE-2023-25743)

• Mozilla: Memory safety bugs fixed in Firefox 110 and Firefox ESR 102.8 (CVE-2023-25744)

• Mozilla: Memory safety bugs fixed in Firefox ESR 102.8 (CVE-2023-25746)

• Mozilla: Extensions could have opened external schemes without user knowledge (CVE-2023-25729)

• Mozilla: Out of bounds memory write from EncodeInputStream (CVE-2023-25732)

• Mozilla: Web Crypto ImportKey crashes tab (CVE-2023-25742)

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.