Apache Tomcat reserveWindowSize Denial-Of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on vulnerable installations of Apache Tomcat. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HTTP2 requests. A crafted HTTP2 request can create a deadlock on a worker thread. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.