Secunia Security Advisory – Ubuntu has issued updates for libnss-ldap, libpam-ldap and slapd. These fix a security issue, which can be exploit by malicious people to gain knowledge of sensitive information.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/38822/sa16161.txt
Source: https://packetstormsecurity.com/files/38822/Secunia-Security-Advisory-16161.html