Hotfixes have been released to address these issues. Citrix recommends that affected customers install these hotfixes as their patching schedules allow. The hotfixes can be downloaded from the following locations:
Citrix Hypervisor 8.0:
CTX262555 – https://support.citrix.com/article/CTX262555
CTX258428 – https://support.citrix.com/article/CTX258428
Citrix XenServer 7.6:
CTX262554 – https://support.citrix.com/article/CTX262554
CTX258425 – https://support.citrix.com/article/CTX258425
Citrix XenServer 7.1 LTSR CU2:
CTX262553 – https://support.citrix.com/article/CTX262553
CTX258424 – https://support.citrix.com/article/CTX258424
Citrix XenServer 7.0:
CTX258417 – https://support.citrix.com/article/CTX258417
CTX258423 – https://support.citrix.com/article/CTX258423