Cisco Web Security Appliance affected with Remote Denial of service Issue

Cisco Web Security appliance was found to be prone to remote denial of service vulnerability .This vulnerability could be exploited to cause unexpected restart of proxy process. This in-turn would deny service to legitimate users.The vulnerabilities were found in Cisco Web Security Appliance 11.7.0-FCS-334,Cisco Web Security Appliance 10.5.2-072,Cisco Cisco Web Security Appliance 10.5.3-025,Cisco AsyncOS Software 11.5,Cisco AsyncOS Software 10.5
Cisco AsyncOS Software 10.1,Cisco AsyncOS Software 10.0 .