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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade tomcat8 | Jul 30, 2020 | Jul 14, 2020 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 8.5.57Upgrade Apache Tomcat to 9.0.37Upgrade Apache Tomcat to 10.0.0Upgrade Apache Tomcat to the latest available version | Jul 16, 2020 | Jul 14, 2020 |
| Debian | — | Upgrade tomcat9 | Jul 21, 2020 | Jul 14, 2020 |
| Freebsd | — | Upgrade tomcat-develUpgrade tomcat7Upgrade tomcat85Upgrade tomcat9 | Jul 24, 2020 | Jul 23, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade tomcat-jsp-2.3-apiUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcatUpgrade tomcat-admin-webappsUpgrade tomcat-lib | Jul 31, 2020 | Jul 14, 2020 |
| Oracle Solaris | — | Upgrade web/java-servlet/tomcat-8 to version 8.5.57-11.4.25.0.1.75.1 on Solaris 11.4Upgrade web/java-servlet/tomcat-8/tomcat-examples to version 8.5.57-11.4.25.0.1.75.1 on Solaris 11.4Upgrade web/java-servlet/tomcat-8/tomcat-admin to version 8.5.57-11.4.25.0.1.75.1 on Solaris 11.4 | Jan 19, 2021 | Jul 14, 2020 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 14, 2020 |
| Suse | — | Upgrade tomcat-el-3_0-apiUpgrade tomcat-javadocUpgrade tomcat-webappsUpgrade tomcat-servlet-4_0-apiUpgrade tomcat-docs-webappUpgrade tomcatUpgrade tomcat-jsp-2_3-apiUpgrade tomcat-jsvcUpgrade tomcat-embedUpgrade tomcat-admin-webappsUpgrade tomcat-lib | Jul 25, 2020 | Jul 14, 2020 |
| Ubuntu | — | Upgrade tomcat9Upgrade libtomcat9-javaUpgrade tomcat9-commonUpgrade libtomcat9-embed-java | Oct 22, 2020 | Jul 14, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 14, 2020 |
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