Hotfixes have been released to address these issues. Citrix recommends that affected customers install the relevant hotfixes, which can be downloaded from the following locations:
Citrix XenServer 6.5 Service Pack 1: CTX201741 – https://support.citrix.com/article/CTX201741
Citrix XenServer 6.5: CTX201740 – https://support.citrix.com/article/CTX201740
Citrix XenServer 6.2 Service Pack 1: CTX201739 – https://support.citrix.com/article/CTX201739
Citrix XenServer 6.1: CTX201738 – https://support.citrix.com/article/CTX201738
Citrix XenServer 6.0.2: CTX201736 – https://support.citrix.com/article/CTX201736
Customers using Citrix XenServer 6.0.2 in the Common Criteria evaluated configuration should apply the following hotfix: CTX201737 – https://support.citrix.com/article/CTX201737
Citrix XenServer 6.0.0: CTX201735 – https://support.citrix.com/article/CTX201735