Microsoft has released a DirectX security update for Windows XP and Windows Server 2003

"A security issue has been identified that could allow an attacker to cause DirectX, or applications using DirectX, to become unresponsive." Read more for download links.

Source: NTcompatible.com Download for Windows XP

Download for Windowx XP 64-bit edition

Download for Windows Server 2003

Download for Windows Server 2003 64-bit edition