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: Spoofing issue in the Downloads Panel component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the Downloads Panel component...

UBUNTU-CVE-2026-0890

Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...