PostgreSQL uses the username for a salt when generating passwords, which makes it easier for remote attackers to guess passwords via a brute force attack.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/20215http://marc.info/?l=bugtraq&m=111402558115859&w=2http://marc.info/?l=bugtraq&m=111403050902165&w=2http://archives.postgresql.org/pgsql-admin/2002-08/msg00253.php