RHSA-2020:1521: Important: Red Hat JBoss Web Server 5.3 release

Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (modcluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.This release of Red Hat JBoss Web Server 5.3 serves as a replacement for Red Hat JBoss Web Server 5.2, and includes bug fixes, enhancements, and componentupgrades, which are documented in the Release Notes, linked to in theReferences.Security Fix(es): tomcat: Apache Tomcat AJP File Read/Inclusion Vulnerability (CVE-2020-1938) tomcat: local privilege escalation (CVE-2019-12418) tomcat: session fixation (CVE-2019-17563) tomcat: Regression in handling of Transfer-Encoding header allows for HTTP request smuggling (CVE-2019-17569) tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling (CVE-2020-1935) For more details about the security issue(s), including the impact, a CVSSscore, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.