Log Message:
The PostgreSQL Global Development Group has released an update to all supported \ 
versions of our database system, including 9.6.4, 9.5.8, 9.4.13, 9.3.18, and \ 
9.2.22. This release fixes three security issues. It also patches over 50 other \ 
bugs reported over the last three months. Users who are affected by the below \ 
security issues should update as soon as possible. Users affected by \ 
CVE-2017-7547 will need to perform additional steps after upgrading to resolve \ 
the issue. Other users should plan to update at the next convenient downtime.

Three security vulnerabilities have been closed by this release:
* CVE-2017-7546: Empty password accepted in some authentication methods
* CVE-2017-7547: The "pg_user_mappings" catalog view discloses \ 
passwords to users lacking server privileges
* CVE-2017-7548: lo_put() function ignores ACLs