Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected.
Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade tomcat-libUpgrade tomcat-el-3.0-apiUpgrade tomcat-docs-webappUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-admin-webappsUpgrade tomcatUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-webapps | Oct 11, 2026 | Sep 17, 2026 |
| Amazon Linux Ami 2 | — | Upgrade tomcat-servlet-4.0-apiUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-webappsUpgrade tomcat-admin-webappsUpgrade tomcat-jsvcUpgrade tomcat-docs-webappUpgrade tomcat-libUpgrade tomcat-el-3.0-apiUpgrade tomcat | Jun 9, 2026 | Jun 9, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 10.1.55Upgrade Apache Tomcat to 11.0.22Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 9.0.118 | May 12, 2026 | May 12, 2026 |
| Atlassian Bitbucket | — | Upgrade Atlassian Bitbucket to the latest version | Jun 17, 2026 | Jun 16, 2026 |
| Atlassian Jira | — | Upgrade to the latest version of Atlassian JIRA | Jun 17, 2026 | Jun 16, 2026 |
| Debian | — | Upgrade tomcat11Upgrade tomcat9Upgrade tomcat10 | May 14, 2026 | May 14, 2026 |
| Redhat_linux | — | Upgrade jws7-tomcat-vaultUpgrade jws6-tomcat-libUpgrade jws6-tomcat-selinuxUpgrade jws6-tomcatUpgrade tomcat-docs-webappUpgrade jws7-javapackages-toolsUpgrade tomcat-el-3.0-apiUpgrade tomcat9-el-3.0-apiUpgrade jws7-tomcat-el-5.0-apiUpgrade jws6-tomcat-jsp-3.1-apiUpgrade jws6-tomcat-admin-webappsUpgrade jws7-tomcatUpgrade jws7-tomcat-jsp-3.1-apiUpgrade tomcat9-libUpgrade jws7-tomcat-webappsUpgrade tomcat-servlet-4.0-apiUpgrade jws6-tomcat-el-5.0-apiUpgrade tomcatUpgrade jws7-buildUpgrade tomcat9-webappsUpgrade jws7-tomcat-libUpgrade jws7-tomcat-servlet-6.0-apiUpgrade jws7-tomcat-native-debuginfoUpgrade tomcat9-docs-webappUpgrade jws7-tomcat-selinuxUpgrade jws6-tomcat-webappsUpgrade tomcat-webappsUpgrade jws7-javapackages-filesystemUpgrade jws7-mod_cluster-tomcatUpgrade jws7-python3-javapackagesUpgrade jws7-tomcat-javadocUpgrade jws7-runtimeUpgrade jws6-tomcat-docs-webappUpgrade jws7-tomcat-admin-webappsUpgrade jws6-tomcat-servlet-6.0-apiUpgrade jws7-mod_clusterUpgrade jws6-tomcat-javadocUpgrade jws7-tomcat-vault-javadocUpgrade tomcat-admin-webappsUpgrade tomcat9-admin-webappsUpgrade jws7-tomcat-nativeUpgrade tomcat-libUpgrade tomcat9Upgrade jws7-ecjUpgrade jws7-tomcat-docs-webappUpgrade tomcat-jsp-2.3-apiUpgrade tomcat9-servlet-4.0-apiUpgrade jws7-jboss-loggingUpgrade tomcat9-jsp-2.3-api | Jul 20, 2026 | May 12, 2026 |
| Ubuntu | — | Upgrade libtomcat10-java (Ubuntu Pro)Upgrade tomcat10 (Ubuntu Pro)Upgrade libtomcat10-javaUpgrade libtomcat9-javaUpgrade libtomcat10-embed-javaUpgrade libtomcat10-embed-java (Ubuntu Pro)Upgrade libtomcat11-embed-java (Ubuntu Pro)Upgrade tomcat10Upgrade libtomcat9-java (Ubuntu Pro)Upgrade tomcat11 (Ubuntu Pro)Upgrade libtomcat9-embed-java (Ubuntu Pro)Upgrade tomcat9 (Ubuntu Pro)Upgrade libtomcat11-java (Ubuntu Pro) | Jun 16, 2026 | Jun 10, 2026 |
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