Buffer overflow in HTML parser of the Lotus R5 Domino Server before 5.06, and Domino Client before 5.05, allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a malformed font size specifier.

Cross-site scripting (CSS) vulnerability in Lotus Domino 5.0.6 allows remote attackers to execute script on other web clients via a URL that ends in Javascript, which generates an error message that does not quote the resulting script.

Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeated URL requests with the same HTTP headers, such as (1) Accept, (2) Accept-Charset, (3) Accept-Encoding, (4) Accept-Language, and (5) Content-Type.

Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeated (>400) URL requests for DOS devices.

Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via URL requests (>8Kb) containing a large number of '/' characters.

Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via repeatedly sending large (> 10Kb) amounts of data to the DIIOP - CORBA service on TCP port 63148.

Lotus Domino R5 prior to 5.0.7 allows a remote attacker to create a denial of service via HTTP requests containing certain combinations of UNICODE characters.