Buffer overflow in Microsoft SharePoint Server 2010 SP1 and SharePoint Foundation 2010 SP1 allows remote attackers to cause a denial of service (W3WP process crash and site outage) via a crafted URL, aka "Buffer Overflow Vulnerability."
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.