CVE-2025-4085

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.

PUBLISHED Reserved 2025-04-29 | Published 2025-04-29 | Updated 2026-04-13 | Assigner mozilla

Product status

Credits

Andrew McCreight

References

bugzilla.mozilla.org/show_bug.cgi?id=1915280

www.mozilla.org/security/advisories/mfsa2025-28/

www.mozilla.org/security/advisories/mfsa2025-31/

cve.org (CVE-2025-4085)

nvd.nist.gov (CVE-2025-4085)

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