Security Advisory

CVE-2025-6435

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-06-24 12:28:04

Last updated 2026-04-13 14:31:13

Assigner mozilla

State PUBLISHED

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.

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