If you have it on your comp, disable it. This is a multi platform threat.

http://www.csoonline.com/...d-attacks-researchers-say

You can check your computer here:
http://www.isjavaexploitable.com/

And if needed:
http://krebsonsecurity.com/...ug-java-from-the-browser/

Second Java zero-day found: Time to disable it, say experts
http://www.networkworld.com/...ay-found-time-262017.html

also keep in mind that apparently the previous version of java has unpatched issues, and a patch for this one isn't expected until october.