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When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade tomcat-servlet-3.1-apiUpgrade tomcat-docs-webappUpgrade tomcatUpgrade tomcat-jsvcUpgrade tomcat-libUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-webappsUpgrade tomcat-javadocUpgrade tomcat-el-3.0-apiUpgrade tomcat-admin-webapps | Sep 28, 2023 | Mar 1, 2021 |
| Amazon_linux | — | Upgrade tomcat8 | Mar 26, 2021 | Mar 1, 2021 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 10.0.2Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 9.0.43Upgrade Apache Tomcat to 8.5.63 | Mar 2, 2021 | Mar 1, 2021 |
| Debian | — | Upgrade tomcat9 | Mar 17, 2021 | Mar 1, 2021 |
| Gentoo Linux | — | Upgrade www-servers/tomcat. | Aug 22, 2022 | Mar 1, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcatUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-libUpgrade tomcat-admin-webapps | May 18, 2021 | Mar 1, 2021 |
| Oracle Missing Cpu Oct 2021 | — | Apply the October 2021 Critical Patch Update (CPU) for Oracle Database | Jan 19, 2022 | Mar 1, 2021 |
| Oracle Solaris | — | Upgrade web/java-servlet/tomcat-8 to version 8.5.64-11.4.32.0.1.88.2 on Solaris 11.4Upgrade web/java-servlet/tomcat-8/tomcat-examples to version 8.5.64-11.4.32.0.1.88.2 on Solaris 11.4Upgrade web/java-servlet/tomcat-8/tomcat-admin to version 8.5.64-11.4.32.0.1.88.2 on Solaris 11.4 | Apr 21, 2021 | Mar 1, 2021 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 1, 2021 |
| Suse | — | Upgrade tomcat-embedUpgrade tomcat-libUpgrade tomcat-javadocUpgrade tomcat-jsp-2_3-apiUpgrade tomcat-docs-webappUpgrade tomcat-jsvcUpgrade tomcatUpgrade tomcat-webappsUpgrade tomcat-el-3_0-apiUpgrade tomcat-admin-webappsUpgrade tomcat-servlet-4_0-api | Mar 31, 2021 | Mar 1, 2021 |
| Ubuntu | — | Upgrade tomcat9-docs (Ubuntu Pro)Upgrade libtomcat9-embed-javaUpgrade tomcat8-docs (Ubuntu Pro)Upgrade tomcat9 (Ubuntu Pro)Upgrade tomcat9-commonUpgrade libtomcat8-java (Ubuntu Pro)Upgrade tomcat8 (Ubuntu Pro)Upgrade libtomcat9-java (Ubuntu Pro)Upgrade tomcat9Upgrade libtomcat9-java | Apr 1, 2022 | Mar 1, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Mar 1, 2021 |
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