CVE-2025-3029
High
Description
A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.
SeverityHigh
CVSS7.3
Exploit probability—
Product
Mozilla Firefox
PublishedApr 1, 2025
First seenApr 1, 2025
Weakness typeCWE-290CWE-290
How to fix
Update
- mozilla firefox128.9.0, 137.0 or later
- mozilla thunderbird128.9.0, 137.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 128.9.0, v < 137.0 | 128.9.0, 137.0 |
| mozilla thunderbird | v < 128.9.0, 129.0 ≤ v < 137.0 | 128.9.0, 137.0 |
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