firefox: thunderbird: Clickjacking issue, information disclosure in the PDF Viewer component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Clickjacking issue, information disclosure in the PDF Viewer component...

firefox: thunderbird: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component...

Mozilla Thunderbird < 147.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 147.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-04 advisory. - Memory safety bugs present in Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of...

SUSE CVE-2026-0877

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

CVE-2026-0889

Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147...