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CVE-2025-4085

HIGH CVSS: 7.1 Published: 2025-04-29 Modified: 2026-06-17

Description

An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges. This vulnerability was fixed in Firefox 138 and Thunderbird 138.

Affected Platforms

Mozilla FirefoxMozilla Thunderbird

Weakness Type

CWE-269

References