Important: firefox security update

Topic

An update for firefox is now available for Red Hat Enterprise Linux 7.

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 102.9.0 ESR.

Security Fix(es):

• Mozilla: Incorrect code generation during JIT compilation (CVE-2023-25751)
• Mozilla: Memory safety bugs fixed in Firefox 111 and Firefox ESR 102.9 (CVE-2023-28176)
• Mozilla: Potential out-of-bounds when accessing throttled streams (CVE-2023-25752)
• Mozilla: Invalid downcast in Worklets (CVE-2023-28162)
• Mozilla: URL being dragged from a removed cross-origin iframe into the same tab triggered navigation (CVE-2023-28164)

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 Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 2178458 - CVE-2023-25751 Mozilla: Incorrect code generation during JIT compilation
• BZ - 2178460 - CVE-2023-25752 Mozilla: Potential out-of-bounds when accessing throttled streams
• BZ - 2178466 - CVE-2023-28162 Mozilla: Invalid downcast in Worklets
• BZ - 2178470 - CVE-2023-28164 Mozilla: URL being dragged from a removed cross-origin iframe into the same tab triggered navigation
• BZ - 2178472 - CVE-2023-28176 Mozilla: Memory safety bugs fixed in Firefox 111 and Firefox ESR 102.9

CVEs

• CVE-2023-25751
• CVE-2023-25752
• CVE-2023-28162
• CVE-2023-28164
• CVE-2023-28176

References

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