The host is installed with Apple Mac OS X or Server 10.8.5, 10.9.5 or 10.10.x through 10.10.4 and is prone to a buffer overflow vulnerability. A flaw is present in the application, which fails to handle a specially crafted timestamp formatting template. Successful exploitation allows attackers to cause PostgreSQL to crash or under certain conditions, execute arbitrary code with the permissions of the user running PostgreSQL.