Java Runtime Environment (JRE) for Sun JDK and JRE 6 Update 10 and earlier might allow remote attackers to execute arbitrary code via a crafted GIF file that triggers memory corruption during display of the splash screen, possibly related to splashscreen.dll.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.