RHSA-2026:20405: Important: Red Hat JBoss Web Server 6.2.3 release and security update

Published May 26, 2026
·
Updated

Important: Red Hat JBoss Web Server 6.2.3 release and security update

Other sources

Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (modcluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.This release of Red Hat JBoss Web Server 6.2.3 serves as a replacement for Red Hat JBoss Web Server 6.2.2. This release includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes that are linked to in the References section.Security Fix(es): tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension (CVE-2026-24880) tomcat: Apache Tomcat: Open Redirect vulnerability via LoadBalancerDrainingValve (CVE-2026-25854) tomcat: Apache Tomcat: Authentication bypass due to CLIENTCERT soft fail misconfiguration (CVE-2026-29145) tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) tomcat: Apache Tomcat: Information disclosure due to improper encoding in JsonAccessLogValve (CVE-2026-34483) tomcat: Apache Tomcat: Information disclosure via sensitive data in log files (CVE-2026-34487) tomcat: Apache Tomcat: Authentication bypass via client certificate misconfiguration (CVE-2026-34500) 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.

Red Hat

Affected Software

31 affected componentsFixes available
Red Hat JBoss Enterprise Web Server
redhat/jws6-tomcat<10.1.49-13.redhat_00011.1.el10
10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-admin-webapps<10.1.49-13.redhat_00011.1.el10
10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-docs-webapp<10.1.49-13.redhat_00011.1.el10
10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-el<5.0-api-10.1.49-13.redhat_00011.1.el10
5.0-api-10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-javadoc<10.1.49-13.redhat_00011.1.el10
10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-jsp<3.1-api-10.1.49-13.redhat_00011.1.el10
3.1-api-10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-lib<10.1.49-13.redhat_00011.1.el10
10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-selinux<10.1.49-13.redhat_00011.1.el10
10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-servlet<6.0-api-10.1.49-13.redhat_00011.1.el10
6.0-api-10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat-webapps<10.1.49-13.redhat_00011.1.el10
10.1.49-13.redhat_00011.1.el10
redhat/jws6-tomcat<10.1.49-13.redhat_00011.1.el9
10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-admin-webapps<10.1.49-13.redhat_00011.1.el9
10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-docs-webapp<10.1.49-13.redhat_00011.1.el9
10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-el<5.0-api-10.1.49-13.redhat_00011.1.el9
5.0-api-10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-javadoc<10.1.49-13.redhat_00011.1.el9
10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-jsp<3.1-api-10.1.49-13.redhat_00011.1.el9
3.1-api-10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-lib<10.1.49-13.redhat_00011.1.el9
10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-selinux<10.1.49-13.redhat_00011.1.el9
10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-servlet<6.0-api-10.1.49-13.redhat_00011.1.el9
6.0-api-10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat-webapps<10.1.49-13.redhat_00011.1.el9
10.1.49-13.redhat_00011.1.el9
redhat/jws6-tomcat<10.1.49-13.redhat_00011.1.el8
10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-admin-webapps<10.1.49-13.redhat_00011.1.el8
10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-docs-webapp<10.1.49-13.redhat_00011.1.el8
10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-el<5.0-api-10.1.49-13.redhat_00011.1.el8
5.0-api-10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-javadoc<10.1.49-13.redhat_00011.1.el8
10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-jsp<3.1-api-10.1.49-13.redhat_00011.1.el8
3.1-api-10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-lib<10.1.49-13.redhat_00011.1.el8
10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-selinux<10.1.49-13.redhat_00011.1.el8
10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-servlet<6.0-api-10.1.49-13.redhat_00011.1.el8
6.0-api-10.1.49-13.redhat_00011.1.el8
redhat/jws6-tomcat-webapps<10.1.49-13.redhat_00011.1.el8
10.1.49-13.redhat_00011.1.el8

Remediation

Event History

May 26, 2026
Advisory Published
via Red Hat·12:51 PM
Data Sourced
via Red Hat·12:51 PM
DescriptionSeverityAffected Software
May 27, 2026
Advisory Published
via Red Hat·01:04 PM
Data Sourced
via Red Hat·01:04 PM
Remedy
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Frequently Asked Questions

1

What is the severity of RHSA-2026:20405?

The severity of RHSA-2026:20405 is categorized as high with a score of 7.

2

How do I fix RHSA-2026:20405?

To fix RHSA-2026:20405, ensure that all previously released errata relevant to your system are applied and then follow the appropriate update instructions.

3

What components are affected by RHSA-2026:20405?

RHSA-2026:20405 affects several components including redhat/jws6-tomcat and its associated packages.

4

Why is RHSA-2026:20405 important?

RHSA-2026:20405 is important because it addresses vulnerabilities in the Red Hat JBoss Web Server that could affect the hosting of Java web applications.

5

When was RHSA-2026:20405 published?

RHSA-2026:20405 was published on May 26, 2026.

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