8.8
High
CVE-2025-6426 The executable file warning did not warn users before opening files with the `terminal` extension
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 140 | earliest → < 140 | 140 |
| Firefox 128.12 | earliest → < 128.12 | 128.12 |
| Firefox ESR 128.12 | earliest → < 128.12 | 128.12 |
| Thunderbird 140 | earliest → < 140 | 140 |
| Thunderbird 128.12 | earliest → < 128.12 | 128.12 |
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