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...

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...

Mozilla Firefox和Mozilla Firefox ESR 安全漏洞

Mozilla Firefox is an open source web browser from the Mozilla Foundation.Mozilla Firefox ESR is an extended support version of Firefox web browser from the Mozilla Foundation.Mozilla Thunderbird is a suite of e-mail client software from the Mozilla Foundation that is separate from the Mozilla...