CERT.be recommends to perform the mitigation techniques proposed by Microsoft(1), or to use a different browser until a patch is available.
Microsoft released an emergency patch for this vulnerability. CERT.be recommends to apply this patch as soon as possible. The patch can be downloaded from the Microsoft Website(1) or can be installed directly from the Windows Updates Center.
CERT.be recommends to Mozilla Firefox users to patch their systems immediately to at least the 72.0.1 version for the main release and version 68.4.1 for the ESR version.
CERT.be recommends to system administrators to patch their systems immediately to at least the April 2019 Oracle Critical Patch.
CERT.be recommends to system administrators to patch your systems immediately if they are running Exim.
CERT.be recommends all System administrators to upgrade their vulnerable Pulse Secure instances to version 9.1R1 and above.
CERT.be recommends administrators to update their Microsoft Windows systems with the latest available patches as soon as possible: