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ALSA-2026:36790 Not scored

Important: tomcat9 security, bug fix, and enhancement update

Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process. Tomcat is developed in an open and participatory environment and released under the Apache Software License version 2.0. Tomcat is intended to be a collaboration of the best-of-breed developers from around the world. Security Fix(es): * Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) * Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486) Bug Fix(es) and Enhancement(s): * Remove tomcat clustering JAR from RPM builds (JIRA:AlmaLinux-185571) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Exploit probability Not scored
Published July 8, 2026
Required by Not available
Last source change August 10, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:10 tomcat9
AlmaLinux:10 tomcat9-admin-webapps
AlmaLinux:10 tomcat9-docs-webapp
AlmaLinux:10 tomcat9-el-3.0-api
AlmaLinux:10 tomcat9-jsp-2.3-api
AlmaLinux:10 tomcat9-lib
AlmaLinux:10 tomcat9-servlet-4.0-api
AlmaLinux:10 tomcat9-webapps

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2026:36790

Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process. Tomcat is developed in an open and participatory environment and released under the Apache Software License version 2.0. Tomcat is intended to be a collaboration of the best-of-breed developers from around the world. Security Fix(es): * Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) * Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486) Bug Fix(es) and Enhancement(s): * Remove tomcat clustering JAR from RPM builds (JIRA:AlmaLinux-185571) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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05 / REFERENCES

Further evidence