[divbzero]

> Can be mitigated by enabling the root user with a strong password

Instructions from Apple: https://support.apple.com/en-us/HT204012

[stupidcar]

And if you're thinking that manually disabling root might also fix this, it won't. You have to leave root enabled.

[divbzero]

Security update now available: https://support.apple.com/en-us/HT208315