RHSA-2023:1805 — Security Advisory

An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 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 102.10.0.

Security Fix(es):

• Thunderbird: Revocation status of S/Mime recipient certificates was not checked (CVE-2023-0547)

• Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack (CVE-2023-28427)

• Mozilla: Fullscreen notification obscured (CVE-2023-29533)

• Mozilla: Potential Memory Corruption following Garbage Collector compaction (CVE-2023-29535)

• Mozilla: Invalid free from JavaScript code (CVE-2023-29536)

• Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10 (CVE-2023-29550)

• Mozilla: Memory Corruption in Safe Browsing Code (CVE-2023-1945)

• Thunderbird: Hang when processing certain OpenPGP messages (CVE-2023-29479)

• Mozilla: Content-Disposition filename truncation leads to Reflected File Download (CVE-2023-29539)

• Mozilla: Files with malicious extensions could have been downloaded unsafely on Linux (CVE-2023-29541)

• Mozilla: Incorrect optimization result on ARM64 (CVE-2023-29548)

• MFSA-TMP-2023-0001 Mozilla: Double-free in libwebp (BZ#2186102)

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.