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 addresses two vulnerabilities in Apache Tomcat 9 within Red Hat Enterprise Linux 10.0 EUS. CVE-2025-31651 is a bypass of rules in the Rewrite Valve, which could allow unintended request processing. CVE-2025-55752 is a directory traversal vulnerability via rewrite rules that may lead to remote code execution. Red Hat has issued updated tomcat9 packages (version 9.0.87-5.el10_0.4) that fix these issues. The advisory references Red Hat Bugzilla entries BZ-2362782 and BZ-2406591 for the respective CVEs. No CVSS scores are provided in the advisory, but Red Hat rates the update as Important.
Potential Impact
Successful exploitation of CVE-2025-31651 could allow attackers to bypass rewrite rules, potentially altering request handling. CVE-2025-55752 could allow directory traversal attacks via rewrite rules, with the possibility of remote code execution, posing a significant risk to affected systems. These vulnerabilities affect the tomcat9 package in Red Hat Enterprise Linux 10.0 Extended Update Support. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated tomcat9 packages (version 9.0.87-5.el10_0.4) that address these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support should apply the available security update promptly. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
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
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory addresses two vulnerabilities in Apache Tomcat 9 within Red Hat Enterprise Linux 10.0 EUS. CVE-2025-31651 is a bypass of rules in the Rewrite Valve, which could allow unintended request processing. CVE-2025-55752 is a directory traversal vulnerability via rewrite rules that may lead to remote code execution. Red Hat has issued updated tomcat9 packages (version 9.0.87-5.el10_0.4) that fix these issues. The advisory references Red Hat Bugzilla entries BZ-2362782 and BZ-2406591 for the respective CVEs. No CVSS scores are provided in the advisory, but Red Hat rates the update as Important.
Potential Impact
Successful exploitation of CVE-2025-31651 could allow attackers to bypass rewrite rules, potentially altering request handling. CVE-2025-55752 could allow directory traversal attacks via rewrite rules, with the possibility of remote code execution, posing a significant risk to affected systems. These vulnerabilities affect the tomcat9 package in Red Hat Enterprise Linux 10.0 Extended Update Support. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated tomcat9 packages (version 9.0.87-5.el10_0.4) that address these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support should apply the available security update promptly. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:23053
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-55752"]
Threat ID: 6a2929b98dd33fbd8517f09c
Added to database: 06/10/2026, 09:09:13 UTC
Last enriched: 06/28/2026, 23:21:59 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 55
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