When the Windows DLL "webauthn.dll" was missing from the Operating System, and a malicious one was placed in a folder in the user's %PATH%, Firefox may have loaded the DLL, leading to arbitrary code execution.
*Note: This issue only affects the Windows operating system; other operating systems are unaffected.*
Name: the Mozilla project
Upstream: Riccardo Ancarani
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):