9.1

CVE-2025-4083

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 affects Firefox < 138, Firefox ESR < 128.10, Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird < 128.10.

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Data is provided by the National Vulnerability Database (NVD)
Mozilla ≫ Firefox SwEditionesr Version < 115.23
Mozilla ≫ Firefox SwEdition- Version < 138.0
Mozilla ≫ Firefox SwEditionesr Version >= 128.0 < 128.10
Mozilla ≫ Thunderbird SwEditionesr Version < 128.10.0
Mozilla ≫ Thunderbird SwEdition- Version < 138.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.05% 0.161
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-653 Improper Isolation or Compartmentalization

The product does not properly compartmentalize or isolate functionality, processes, or resources that require different privilege levels, rights, or permissions.