The remote host is missing an update to openldap2.2 announced via advisory USN-858-1.

The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libldap-2.2-7 2.2.26-5ubuntu2.9 In general, a standard system upgrade is sufficient to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-858-1

It was discovered that OpenLDAP did not correctly handle SSL certificates with zero bytes in the Common Name. A remote attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.