RHSA-2023:4079 - Security Advisory

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 102.13.0 ESR.

Security Fix(es):

• Mozilla: Use-after-free in WebRTC certificate generation (CVE-2023-37201)
• Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey (CVE-2023-37202)
• Mozilla: Memory safety bugs fixed in Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13 (CVE-2023-37211)
• Mozilla: Fullscreen notification obscured (CVE-2023-37207)
• Mozilla: Lack of warning when opening Diagcab files (CVE-2023-37208)

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 Server - Extended Life Cycle Support 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
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 2219747 - CVE-2023-37201 Mozilla: Use-after-free in WebRTC certificate generation
• BZ - 2219748 - CVE-2023-37202 Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey
• BZ - 2219749 - CVE-2023-37207 Mozilla: Fullscreen notification obscured
• BZ - 2219750 - CVE-2023-37208 Mozilla: Lack of warning when opening Diagcab files
• BZ - 2219751 - CVE-2023-37211 Mozilla: Memory safety bugs fixed in Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13

CVEs

• CVE-2023-37201
• CVE-2023-37202
• CVE-2023-37207
• CVE-2023-37208
• CVE-2023-37211

References

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