Red Hat Product Errata RHSA-2026:73982 - Security Advisory
Issued:
2026-10-01
Updated:
2026-10-01

RHSA-2026:73982 - Security Advisory

Synopsis

Important: Red Hat JBoss Web Server 6.2.5 release and security update

Type/Severity

Security Advisory: Important

Topic

Red Hat JBoss Web Server 6.2.5 zip release is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, and Windows Server.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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 (mod_cluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.

This release of Red Hat JBoss Web Server 6.2.5 serves as a replacement for Red Hat JBoss Web Server 6.2.4. 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-catalina: Apache Tomcat: Misleading security logs due to incorrect control flow (CVE-2026-55276)
  • tomcat-coyote-ffm: Apache Tomcat: Error condition not handled when configuring CRL (CVE-2026-53434)
  • jws6-tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)
  • tomcat: Apache Tomcat: Local information disclosure via Unix domain socket TOCTOU race condition (CVE-2026-65183)
  • tomcat: Apache Tomcat: Security constraint bypass due to improper access control (CVE-2026-65182)
  • tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing (CVE-2026-65927)
  • tomcat: Apache Tomcat: Denial of Service via HTTP/2 allocation leak (CVE-2026-68763)
  • tomcat: Apache Tomcat: Unauthorized resource access via FORM authentication bypass (CVE-2026-68525)
  • tomcat: Apache Tomcat - DoS in WebSocket chat example (CVE-2026-66299)
  • tomcat: Apache Tomcat: Authenticated WebSocket session persists after HTTP session termination (CVE-2026-73180)
  • tomcat: Apache Tomcat: Improper Authorization allows bypass of declarative role constraints (CVE-2026-66422)
  • tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure (CVE-2026-68569)
  • tomcat: Apache Tomcat: Authentication bypass via limited replay attack in DIGEST authenticator (CVE-2026-65905)
  • openssl.exe: Heap Use-After-Free in OpenSSL PKCS7_verify() (CVE-2026-45447)
  • jws-optional-native-components-win6-x86_64.zip: PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys (CVE-2026-34181)
  • jws-optional-native-components-win6-x86_64.zip: OpenSSL: Heap buffer over-read in ASN.1 decoding can lead to denial of service or information disclosure (CVE-2026-34180)

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.

Solution

Before applying the update, back up your existing Red Hat JBoss Web Server installation, including all applications and configuration files.

The References section of this erratum contains a download link for the update. You must be logged in to download the update.

Affected Products

  • JBoss Enterprise Web Server Text-Only Advisories x86_64

Fixes

  • BZ - 2481881 - CVE-2026-34180 openssl: OpenSSL: Heap buffer over-read in ASN.1 decoding can lead to denial of service or information disclosure.
  • BZ - 2481882 - CVE-2026-34181 openssl: PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys
  • BZ - 2481898 - CVE-2026-45447 openssl: Heap Use-After-Free in OpenSSL PKCS7_verify()
  • BZ - 2494668 - CVE-2026-53434 tomcat: Apache Tomcat: Error condition not handled when configuring CRLs
  • BZ - 2494675 - CVE-2026-55276 tomcat: Apache Tomcat: Misleading security logs due to incorrect control flow
  • BZ - 2499917 - CVE-2026-59083 tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve
  • BZ - 2508085 - CVE-2026-66299 tomcat: Apache Tomcat: Denial of Service via WebSocket chat example

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.