The Outlook 2002 Update: December 4, 2002 offers the highest levels of stability and security available for Microsoft Outlook® 2002. This update fixes an instability problem introduced in Office XP Service Pack 2 (SP2) that affects Outlook POP3 / SMTP clients. This update also fixes a vulnerability that could allow an attacker to send a malformed message which would make the user's Outlook session unresponsive. The Outlook 2002 Update: December 4, 2002 is part of Microsoft's continued effort to provide the latest product updates to customers.

To install this update, you must have the following:
Microsoft Office XP Service Pack 2.
Microsoft Windows® Installer version 2.0 or later.

Download: Outlook 2002 Update: December 4, 2002
/http://download.microsoft.com/download/outlook2002/patch/olk1005/w98nt42kmexp/en-us/olk1005.exe

Source: Winbeta.Org

I wonder if outlook 11 already has this fixed. I sure it is but you never know.