Buffer overflow in the IMAP service in IBM Lotus Domino before 6.5.6 FP2, and 7.x before 7.0.3, allows remote authenticated users to execute arbitrary code via a long mailbox name.
Buffer overflow in the CRAM-MD5 authentication mechanism in the IMAP server (nimap.exe) in IBM Lotus Domino before 6.5.6 and 7.x before 7.0.2 FP1 allows remote attackers to cause a denial of service via a long username.