CVE-2025-1019
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mozilla Firefox
PublishedFeb 4, 2025
First seenFeb 4, 2025
Weakness typeCWE-1021CWE-1021
How to fix
Update
- mozilla firefox135.0 or later
- mozilla thunderbird135.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 135.0 | 135.0 |
| mozilla thunderbird | 131.0 ≤ v < 135.0 | 135.0 |
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