Feed/CVE-2025-6435
CVE-2025-6435HIGHCVSS 8.1

CVE-2025-6435

Published Jun 24, 2025·Updated Sep 30, 2026

NVD Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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