An unspecified endpoint in Zenoss Core through 5 Beta 3 allows remote attackers to cause a denial of service (CPU consumption) by triggering an arbitrary regular-expression match attempt, aka ZEN-15411.
https://docs.google.com/spreadsheets/d/1dHAc4PxUbs-4Dxzm1wSCE0sMz5UCMY6SW3PlMHSyuuQ/edit?usp=sharing