Sun Java Runtime Environment Image Parsing Heap Buffer Overflow Vulnerability
Sun has released security updates to address this issue. Please see the references for details.
Sun JDK 5.0 Update 8
Sun JRE (Windows Production Release) 1.4.2_16
Sun JDK 5.0 Update 7
Sun JRE 6.0 Update 2
Sun JDK (Linux Production Release) 1.6 _04