| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 115.12< 127.0 | 115.12127.0 |
| thunderbird | < 115.12 | 115.12 |
On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed extension such as `.url` by including an invalid character in the extension. *Note:* This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
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