Buffer overflow in GIFIMP32.FLT, as used in Microsoft Office 2003 SP1 and SP2, Office XP SP3, Office 2000 SP3, and other products, allows user-assisted attackers to execute arbitrary code via a crafted GIF image that triggers memory corruption when it is parsed.
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.