PT-2025-18154

CVE-2025-4085

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Published

2025-04-29

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Updated

2026-09-30

Description by

CVSS 2.0
7.5
High
MetricsAV:N/AC:L/Au:S/C:C/I:P/A:N
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 138 Thunderbird versions prior to 138
Description An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges.
Recommendations For Firefox versions prior to 138, update to version 138 or later. For Thunderbird versions prior to 138, update to version 138 or later.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
ALT-PU-2025-11100
ALT-PU-2025-14599
ALT-PU-2025-6353
ALT-PU-2025-6478
ALT-PU-2025-7695
ALT-PU-2025-7697
OPENSUSE-SU-2025:15045-1
OPENSUSE-SU-2026:11373-1
USN-7991-1
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