Buffer overflow in Web Retriever client for Lotus Notes/Domino R4.5 through R6 allows remote malicious web servers to cause a denial of service (crash) via a long HTTP status line.

Buffer overflow in Lotus Domino web server before R5.0.10, when logging to DOMLOG.NSF, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long HTTP Authenticate header containing certain non-ASCII characters.

Lotus Domino 5.0.8 web server returns different error messages when a valid or invalid user is provided in HTTP requests, which allows remote attackers to determine valid user names and makes it easier to conduct brute force attacks.

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.

Buffer overflow in bindsock in Lotus Domino 5.0.4 and 5.0.7 on Linux allows local users to gain root privileges via a long (1) Notes_ExecDirectory or (2) PATH environment variable.

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.

The default configuration of Lotus Domino server 5.0.8 includes system information (version, operating system, and build date) in the HTTP headers of replies, which allows remote attackers to obtain sensitive information.

Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a buffer overflow in the SMTP HELO command.