As if we don't have enough to worry about, the exploit whizzbangs have come up with another doozy relating to CUPS. They even posted the POC on Github. Ugh:
http://www.theregister.co.uk/2017/01/31/postscript_bug/
Postscript security bug in CUPS
It didn't take very long. BBC. "Hacker briefly hijacks insecure printers". 6 February 2017.
http://www.bbc.co.uk/news/technology-38879671
http://www.bbc.co.uk/news/technology-38879671