Drupal Core - Multiple Vulnerabilities - SA-CORE-2017-003
Drupal 8.3.4 and Drupal 7.56, are maintenance releases which contain fixes for security vulnerabilities.
Please be informed all Drupal 8 and 7 website's cores and core modules on Drupion platform will be updated automatically unless otherwise was specifically requested by customer. So if you are a Drupion customer, then never worry about this security advisory. However, if you requested not to update the Drupal 8 or 7 core on your Drupion server then please read further.