All forums users should change their passwords.
and
Beware of hacked ISOs if you downloaded Linux Mint on February 20th!
are examples of an open source maintenance organization admitting that there have been security issues AND getting word out with clear explanations and instructions for fixes with breakneck speed. Why can't many government and business organizations take heed of examples like this? Good work, guys/girls! This quick work is an example to us all.