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VULNERABILITIES

CVE-2025-4085 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:7.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1915280 [email protected]Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-28/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-31/ [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-269Improper Privilege ManagementCISA-ADP

Affected Products

ProductVersions
mozilla firefox
< 138.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

Remediation

  • No remediation found in references.
mozilla thunderbird
< 138.0

CPE

  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-4085
NVD Published Date:
Apr 29, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2025-4085 Details - Not Deferred