Threat Intelligence Database

Red Hat has issued a security advisory for tomcat9 in Red Hat Enterprise Linux 10, addressing two vulnerabilities: an information disclosure via a Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) and missing encryption of sensitive data due to EncryptInterceptor bypass (CVE-2026-34486). The update also removes the tomcat clustering JAR from RPM builds. The advisory rates the security impact as Important. Updated packages are available for multiple architectures of Red Hat Enterprise Linux 10 and its extended update support versions.

Red Hat has issued a security advisory for tomcat9 addressing multiple vulnerabilities including denial of service (DoS) issues and a security constraint bypass. The vulnerabilities affect Apache Tomcat and Apache Commons FileUpload components, impacting multipart upload handling, HTTP/2 control frames, and security constraints. The advisory covers Red Hat Enterprise Linux 10 and its extended update support versions. The update is rated as Important by Red Hat Product Security. No CVSS scores are provided in the advisory, but the severity is assessed as high due to the nature of the vulnerabilities.

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): * tomcat: Apache Tomcat: Bypass of rules in Rewrite Valve (CVE-2025-31651) * tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Directory traversal via rewrite with possible RCE (CVE-2025-55752) 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.