Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. Security Fix: * tomcat: Incorrect handling of empty string URL in security constraints can lead to unintended exposure of resources * tomcat: Late application of security constraints can lead to resource exposure for unauthorised users * tomcat: Insecure defaults in CORS filter enable "supportsCredentials" for all origins * tomcat: Host name verification missing in WebSocket client 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.