Cisco Security Advisory Follow https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-dos-nJVAwOeq?vs_cat=Security+Intelligence&vs_f=Cisco+Security+Advisory&vs_k=1&vs_p=Cisco+Adaptive+Security+Appliance+Software+and+Firepower+Threat+Defense+Software+DNS+Inspection+Denial+of+Service+Vulnerability&vs_type=RSS sec.cloudapps.cisco.com