Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. Security Fix: Apache Tomcat: HTTP/2 header handling DoS Apache Tomcat: WebSocket DoS with incomplete closing handshake Bug Fix and Enhancement: Rebase tomcat to version 9.0.87 Amend tomcat"s changelog so that fixed CVEs are mentioned explicitly For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.