CVE-2026-84138

Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155...

Mozilla Firefox PDF Viewer Same-Origin Bypass Information Disclosure Vulnerability

Mozilla Firefox is an open source WEB browser. Mozilla Firefox PDF Viewer suffers from a security vulnerability that allows remote attackers to construct malicious WEB pages and trick users into parsing them, bypassing the same-origin policy, injecting arbitrary JavaScript into PDF Viewer, and...