RHSA-2023:4074 — Security Advisory

An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 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.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 102.13.0.

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.