RHSA-2022:8543 — 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 102.5.0.

Security Fix(es):

• Mozilla: Service Workers might have learned size of cross-origin media files (CVE-2022-45403)

• Mozilla: Fullscreen notification bypass (CVE-2022-45404)

• Mozilla: Use-after-free in InputStream implementation (CVE-2022-45405)

• Mozilla: Use-after-free of a JavaScript Realm (CVE-2022-45406)

• Mozilla: Fullscreen notification bypass via windowName (CVE-2022-45408)

• Mozilla: Use-after-free in Garbage Collection (CVE-2022-45409)

• Mozilla: Memory safety bugs fixed in Firefox 107 and Firefox ESR 102.5 (CVE-2022-45421)

• Mozilla: ServiceWorker-intercepted requests bypassed SameSite cookie policy (CVE-2022-45410)

• Mozilla: Cross-Site Tracing was possible via non-standard override headers (CVE-2022-45411)

• Mozilla: Symlinks may resolve to partially uninitialized buffers (CVE-2022-45412)

• Mozilla: Keystroke Side-Channel Leakage (CVE-2022-45416)

• Mozilla: Custom mouse cursor could have been drawn over browser UI (CVE-2022-45418)

• Mozilla: Iframe contents could be rendered outside the iframe (CVE-2022-45420)

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.