CVE-2025-8043
Critical
Description
Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability was fixed in Firefox 141.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedJul 22, 2025
First seenJul 22, 2025
Weakness typeCWE-451CWE-451
How to fix
Update
- mozilla firefox141.0 or later
- mozilla thunderbird141.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 141.0 | 141.0 |
| mozilla thunderbird | v < 141.0 | 141.0 |
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