Local Code Execution Vulnerability in Firefox for Windows

CVE-2025-4084

What is CVE-2025-4084?

A vulnerability in Firefox for Windows arises from insufficient escaping of special characters in the 'copy as cURL' feature. This flaw can be exploited by an attacker who tricks users into executing a crafted cURL command, potentially leading to local code execution on their system. The affected versions include Firefox ESR prior to 128.10 and 115.23, as well as Thunderbird ESR below 128.10. Users are strongly advised to update to the latest versions to mitigate the risks associated with this vulnerability.

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