vulnerability
MFSA2025-11 Thunderbird: Security Vulnerabilities fixed in Thunderbird 135 (CVE-2025-1019)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Feb 4, 2025 | Feb 5, 2025 | Apr 15, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Feb 4, 2025
Added
Feb 5, 2025
Modified
Apr 15, 2026
Description
The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.
Solution
mozilla-thunderbird-upgrade-135_0
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