IGEL OS 10.05 IGEL OS Release Notes Notes for Release 11.06.250 Current: Security Fixes 11.06.250 PDF Download PDF Download page Security Fixes 11.06.250. Current page All pages Security Fixes 11.06.250 Base systemUpdate policykit-1 package for CVE-2021-4034 (fixes Polkit Escalation of Privilege).CitrixRemoved registry key ica.appprotection due to possible security vulnerability. Please follow this document for more information: https://support.citrix.com/article/CTX338435. ×