CVE-2025-6426
No warning when opening executable terminal files on macOS
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 24, 2025 |
| Last Updated | Apr 13, 2026 |
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Affected Versions
Mozilla / Firefox
All versions affected Mozilla / Thunderbird
All versions affected References
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1964385 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-51/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-53/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-54/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-55/
Credits
pwn2car