USN-5424-2: OpenLDAP vulnerability

USN-5424-2: OpenLDAP vulnerability

USN-5424-1 fixed a vulnerability in OpenLDAP. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that OpenLDAP incorrectly handled certain SQL statements
within LDAP queries in the experimental back-sql backend. A remote attacker
could possibly use this issue to perform an SQL injection attack and alter
the database.
Source: USN-5424-2: OpenLDAP vulnerability