RHSA-2021:4861: Important: Red Hat JBoss Web Server 5.6.0 Security release

First published: Tue Nov 30 2021(Updated: )

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 (mod_cluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.<br>This release of Red Hat JBoss Web Server 5.6.0 serves as a replacement for Red Hat JBoss Web Server 5.5.0. This release includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes, linked to in the References.<br>Security Fix(es):<br><li> tomcat: OutOfMemoryError caused by HTTP upgrade connection leak could lead to DoS (CVE-2021-42340)</li> <li> tomcat: HTTP request smuggling when used with a reverse proxy (CVE-2021-33037)</li> <li> tomcat: JNDI realm authentication weakness (CVE-2021-30640)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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