Comment by Someone1234

It reminds me of this MacOS bug from last year, where simply hitting the login box over and over with no password would eventually bypass the security entirely:

https://www.theregister.co.uk/2017/11/28/root_access_bypass_...

And this other MacOS bug, also from last year, where the password hint would contain the plain text encryption password:

https://www.theregister.co.uk/2017/10/05/apple_patches_passw...

All within a month of each other.