We were wondering whether the recent Java updates addressed the security holes reported by Adam Gowdiak of Security Explorations. Well, Mr. Gowdiak tested the most recent Java in various browsers, and the answer is no, they do not.
Gowdiak went even further, developing a simple fix for the vulnerability. Oracle is unimpressed, saying that a proper fix will involve a lot more testing than the 30 minutes Gowdiak spent on it. They are sticking to their original estimate, that an official fix will not be available until the February 2013 Critical Patch Update.
So Java, despite the recent patches, is still vulnerable to exploits using the hole reported by Gowdiak. We continue to recommend disabling Java in web browsers.