Important: firefox security update

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.4 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 102.8.0 ESR.

Security Fix(es):

• Mozilla: Arbitrary memory write via PKCS 12 in NSS (CVE-2023-0767)
• 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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64

Fixes

• BZ - 2170374 - CVE-2023-25728 Mozilla: Content security policy leak in violation reports using iframes
• BZ - 2170375 - CVE-2023-25730 Mozilla: Screen hijack via browser fullscreen mode
• BZ - 2170376 - CVE-2023-25743 Mozilla: Fullscreen notification not shown in Firefox Focus
• BZ - 2170377 - CVE-2023-0767 Mozilla: Arbitrary memory write via PKCS 12 in NSS
• BZ - 2170378 - CVE-2023-25735 Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey
• BZ - 2170379 - CVE-2023-25737 Mozilla: Invalid downcast in SVGUtils::SetupStrokeGeometry
• BZ - 2170381 - CVE-2023-25739 Mozilla: Use-after-free in mozilla::dom::ScriptLoadContext::~ScriptLoadContext
• BZ - 2170382 - CVE-2023-25729 Mozilla: Extensions could have opened external schemes without user knowledge
• BZ - 2170383 - CVE-2023-25732 Mozilla: Out of bounds memory write from EncodeInputStream
• BZ - 2170390 - CVE-2023-25742 Mozilla: Web Crypto ImportKey crashes tab
• BZ - 2170391 - CVE-2023-25744 Mozilla: Memory safety bugs fixed in Firefox 110 and Firefox ESR 102.8
• BZ - 2170402 - CVE-2023-25746 Mozilla: Memory safety bugs fixed in Firefox ESR 102.8

CVEs

• CVE-2023-0767
• CVE-2023-25728
• CVE-2023-25729
• CVE-2023-25730
• CVE-2023-25732
• CVE-2023-25735
• CVE-2023-25737
• CVE-2023-25739
• CVE-2023-25742
• CVE-2023-25743
• CVE-2023-25744
• CVE-2023-25746

References

• https://access.redhat.com/security/updates/classification/#important