CVE-2020-12423
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.* This vulnerability affects Firefox < 78. Date published : 2020-07-09 https://bugzilla.mozilla.org/show_bug.cgi?id=1642400