Red Hat Security Advisory: tomcat9 security 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): * 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.
AI Analysis
Technical Summary
This advisory covers two security vulnerabilities in Apache Tomcat 9 as packaged in Red Hat Enterprise Linux 10. CVE-2025-31651 involves a bypass of rules in the Rewrite Valve component, potentially allowing unintended request processing. CVE-2025-55752 is a directory traversal vulnerability via rewrite functionality that could lead to remote code execution. Red Hat has released an updated tomcat9 package (version 9.0.87-8.el10_1.1) to address these issues. The vulnerabilities are rated with high severity by Red Hat Product Security. No CVSS scores are provided in the advisory.
Potential Impact
Successful exploitation of CVE-2025-31651 could allow attackers to bypass rewrite rules, potentially altering request handling. CVE-2025-55752 could enable directory traversal attacks via rewrite rules, possibly leading to remote code execution on affected systems. These vulnerabilities could compromise the confidentiality, integrity, and availability of affected systems running vulnerable tomcat9 versions on Red Hat Enterprise Linux 10.
Mitigation Recommendations
Red Hat has released an updated tomcat9 package (9.0.87-8.el10_1.1) that fixes these vulnerabilities. Users should apply this official security update promptly by following Red Hat's update instructions at https://access.redhat.com/articles/11258. No additional mitigations are specified or required beyond applying the vendor-provided patch.
Red Hat Security Advisory: tomcat9 security update
Description
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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two security vulnerabilities in Apache Tomcat 9 as packaged in Red Hat Enterprise Linux 10. CVE-2025-31651 involves a bypass of rules in the Rewrite Valve component, potentially allowing unintended request processing. CVE-2025-55752 is a directory traversal vulnerability via rewrite functionality that could lead to remote code execution. Red Hat has released an updated tomcat9 package (version 9.0.87-8.el10_1.1) to address these issues. The vulnerabilities are rated with high severity by Red Hat Product Security. No CVSS scores are provided in the advisory.
Potential Impact
Successful exploitation of CVE-2025-31651 could allow attackers to bypass rewrite rules, potentially altering request handling. CVE-2025-55752 could enable directory traversal attacks via rewrite rules, possibly leading to remote code execution on affected systems. These vulnerabilities could compromise the confidentiality, integrity, and availability of affected systems running vulnerable tomcat9 versions on Red Hat Enterprise Linux 10.
Mitigation Recommendations
Red Hat has released an updated tomcat9 package (9.0.87-8.el10_1.1) that fixes these vulnerabilities. Users should apply this official security update promptly by following Red Hat's update instructions at https://access.redhat.com/articles/11258. No additional mitigations are specified or required beyond applying the vendor-provided patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:23052
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-55752"]
Threat ID: 6a2929b98dd33fbd8517f0a3
Added to database: 06/10/2026, 09:09:13 UTC
Last enriched: 06/28/2026, 23:22:04 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 62
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