Following the revelations of the critical vulnerabilities, Oracle releases Java 7 Update 7 to address the issues.
From Java.com:
Free Java Update
Version 7 Update 7Your system currently has an older version of Java and you are receiving this update notification because a newer version has been automatically detected.
Install this free update for Java to get the following features:
- improves performance and stability
- enhances security
Please install this free Java Update by clicking on the Install button on the Java Update window.