RHSA-2024:3972 - Security Advisory

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

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 115.12.0 ESR.

Security Fix(es):

• firefox: Use-after-free in networking (CVE-2024-5702)
• firefox: Use-after-free in JavaScript object transplant (CVE-2024-5688)
• firefox: External protocol handlers leaked by timing attack (CVE-2024-5690)
• firefox: Sandboxed iframes were able to bypass sandbox restrictions to open a new window (CVE-2024-5691)
• firefox: Cross-Origin Image leak via Offscreen Canvas (CVE-2024-5693)
• firefox: Memory Corruption in Text Fragments (CVE-2024-5696)
• firefox: Memory safety bugs fixed in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12 (CVE-2024-5700)

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, 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 Extension 8.6 x86_64
• Red Hat Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64

Fixes

• BZ - 2291394 - CVE-2024-5702 Mozilla: Use-after-free in networking
• BZ - 2291395 - CVE-2024-5688 Mozilla: Use-after-free in JavaScript object transplant
• BZ - 2291396 - CVE-2024-5690 Mozilla: External protocol handlers leaked by timing attack
• BZ - 2291397 - CVE-2024-5691 Mozilla: Sandboxed iframes were able to bypass sandbox restrictions to open a new window
• BZ - 2291399 - CVE-2024-5693 Mozilla: Cross-Origin Image leak via Offscreen Canvas
• BZ - 2291400 - CVE-2024-5696 Mozilla: Memory Corruption in Text Fragments
• BZ - 2291401 - CVE-2024-5700 Mozilla: Memory safety bugs fixed in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12

CVEs

• CVE-2024-5688
• CVE-2024-5690
• CVE-2024-5691
• CVE-2024-5693
• CVE-2024-5696
• CVE-2024-5700
• CVE-2024-5702

References

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