Apple has released Java for OS X 2013-005, which “delivers improved security, reliability, and compatibility for Java SE 6”. The update is available in the Mac App Store.
Of note, the updates “uninstalls the Apple-provided Java applet plug-in from all web browsers.” New Macs do not come with Java installed and newer versions of Java are released and maintained by Oracle.
Apple’s decision to cut off internal support and development stems from the decreased necessity for the platform and the fact that Mac malware usually comes from Java security holes. On Apple’s security page for the latest update, it is noted that some holes existed in the software:
