An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "tomcat9": "9.0.31-1ubuntu0.1", "tomcat9-user": "9.0.31-1ubuntu0.1", "libtomcat9-embed-java": "9.0.31-1ubuntu0.1", "tomcat9-docs": "9.0.31-1ubuntu0.1", "libtomcat9-java": "9.0.31-1ubuntu0.1", "tomcat9-examples": "9.0.31-1ubuntu0.1", "tomcat9-common": "9.0.31-1ubuntu0.1", "tomcat9-admin": "9.0.31-1ubuntu0.1" } ] }