This update includes a rebase from 9.0.13 up to 9.0.21 which resolves two CVEs along with various other bugs/features: * rhbz#1673856 tomcat-9.0.21 is available * rhbz#1713279 CVE-2019-0221 tomcat: XSS in SSI printenv * rhbz#1693326 CVE-2019-0199 tomcat: Apache Tomcat HTTP/2 DoS