high8.1
CVE-2025-6435
If a user saved a response from the Network tab in Devtools using the Save As context menu option, that file may not have been saved with the `.download` file …
Impact
If a user saved a response from the Network tab in Devtools using the Save As context menu option, that file may not have been saved with the `.download` file extension. This could have led to the user inadvertently running a malicious executable. This vulnerability was fixed in Firefox 140 and Thunderbird 140.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 140.0 |
| Mozilla | Thunderbird | before 140.0 |