Reported June 08, 2004, by Microsoft
A Denial of Service (DOS) vulnerability exists in the implementation of the IDirectPlay4 API of Microsoft DirectPlay. This vulnerability stems from of a lack of robust packet validation.
Microsoft has released bulletin MS04-016, "Vulnerability in DirectPlay Could Allow Denial of Service" (839643), to address this vulnerability and recommends that affected users apply the appropriate patch listed in the bulletin.
Discovered by John Lampe, Tenable Network Security.