CVE-2025-6426
High
Description
The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedJun 24, 2025
First seenJun 24, 2025
Weakness typeCWE-345CWE-345
How to fix
Update
- mozilla firefox128.12.0, 140.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 128.12.0, v < 140.0 | 128.12.0, 140.0 |
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