Technote 1257251 vom 1.6.2007: Accessing certain URLs can cause the IBM Lotus Domino Web Server to crash
Under certain circumstances, accessing URLs that reference particular files can cause a Lotus® Domino® Web Server to crash, resulting in a denial of service.
Cause
This regression was introduced in Lotus Domino 6.0.
Solution
This issue was reported to Quality Engineering as SPR# MKEN6X3NKK, and has been addressed in Lotus Domino 6.5.6, Lotus Domino 6.5.5 Fix Pack 3 (FP3), and Lotus Domino 7.0.2 Fix Pack 2 (FP2). It will also be addressed in Lotus Domino 7.0.3.
http://www.ibm.com/support/docview.wss?rs=477&uid=swg21257251&ca=wplcsecurity