Vaadin vaadin-server

• CVE-2021-33609 Medium 4.3 Denial of service in DataCommunicator class in Vaadin 8 0.9%
• CVE-2021-31403 Medium 4.0 Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8 0.3%
• CVE-2020-36320 High 7.5 Regular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7 2.0%