The Java Runtime Environment (JRE) is part of the Java Development Kit (JDK), a set of programming tools for developing Java applications. The Java Runtime Environment provides the minimum requirements for executing a Java application; it consists of the Java Virtual Machine (JVM), core classes, and supporting files.
A buffer overflow vulnerability in the java.awt.image.IntegerComponentRaster class could allow a Java applet to execute arbitrary commands when a user loads a malicious web page.
Upgrade to JRE 7 Update 22 or higher.
Exploit works on Oracle JRE 7 Update 21 on Windows XP SP3 English (DEP OptIn) and Windows 7 SP1 (DEP OptIn). The exploit page must be opened in Internet Explorer.