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.
CVSS Details
- CVSS 3.1 Base Score: 7.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-thunderbird | May 12, 2025 | May 11, 2025 | |
| Mfsa2025 28 | mozilla-firefox-upgrade-138_0 | Apr 30, 2025 | Apr 29, 2025 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-138_0 | Apr 30, 2025 | Apr 29, 2025 | |
| Redhat_linux | — | no-fix-redhat-rpm-package | Jul 9, 2025 | Apr 29, 2025 |
| Ubuntu | ubuntu-upgrade-thunderbird | Jun 26, 2025 | Apr 29, 2025 |
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