Lotus Domino server 5.0.9a and earlier allows remote attackers to cause a denial of service by exhausting the number of working threads via a large number of HTTP requests for (1) an MS-DOS device name and (2) an MS-DOS device name with a large number of characters appended to the device name.

Lotus Domino server 5.0.9a and earlier allows remote attackers to bypass security restrictions and view Notes database files and possibly sensitive Notes template files (.ntf) via an HTTP request with a large number of "+" characters before the .nsf file extension, which are converted to spaces by Domino.