CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.1. It affects Firefox, Java.
CVE
CVE-2025-4083
Severity
CRITICAL
CVSS
9.1
EPSS
0.43%
Firefox Java
Original NVD Description
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.
Related CVEs
Other vulnerabilities affecting the same vendor(s)