Check_MK Werk 4434: Fixed group-related 'contains' filters

ID: 4434 Title: Fixed group-related 'contains' filters Component: Livestatus Level: 1 Class: Bug fix Version: 1.5.0i1 Using a filter expression with '>=' (i.e. 'contains') on the column 'group' or 'contact_group' in host/service-related tables could lead to a crash of the Check_MK Monitoring Core. This has been fixed.