OWA crossite scripting, IMAP DoS, iCal parsing DoS, Base64 decoding memory corruption, IMAP DoS.
vulners.com/securityvulns/securityvulns:doc:16961
vulners.com/securityvulns/securityvulns:doc:16976
vulners.com/securityvulns/securityvulns:doc:16977