Microsoft Windows Explorer on Windows 2000 SP4 FR and XP SP2 FR, and possibly other versions and platforms, allows remote attackers to cause a denial of service (memory corruption and crash) via an Office file with crafted document summary information, which causes an error in Ole32.dll.
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.