Red Hat Product Errata RHSA-2026:39189 - Security Advisory
Issued:
2026-07-14
Updated:
2026-07-14

RHSA-2026:39189 - Security Advisory

Synopsis

Important: Red Hat JBoss Web Server 7.0.0 security release

Type/Severity

Security Advisory: Important

Topic

Red Hat JBoss Web Server 7.0.0 zip release is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Linux Enterprise 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 7.0.0 serves as a replacement for Red Hat JBoss Web Server 6.2.3. 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: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486)
  • tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146)
  • tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)
  • tomcat-catalina: Apache Tomcat: Denial of Service due to uncontrolled resource allocation (CVE-2026-41284)
  • tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)
  • tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication (CVE-2026-42498)
  • tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)
  • tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)
  • tomcat-coyote: Apache Tomcat: Information disclosure via AJP secret timing discrepancy (CVE-2026-43514)
  • tomcat-catalina: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass (CVE-2026-55956)
  • openssl.exe: OpenSSL TLS 1.3 server may choose unexpected key agreement group (CVE-2026-2673)

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 - 2447327 - CVE-2026-2673 openssl: OpenSSL TLS 1.3 server may choose unexpected key agreement group
  • BZ - 2457020 - CVE-2026-29146 Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor
  • BZ - 2457027 - CVE-2026-34486 Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass
  • BZ - 2476511 - CVE-2026-43512 tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication
  • BZ - 2476512 - CVE-2026-43514 tomcat-coyote: Apache Tomcat: Information disclosure via AJP secret timing discrepancy
  • BZ - 2476513 - CVE-2026-41293 tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated
  • BZ - 2476516 - CVE-2026-42498 tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.
  • BZ - 2476519 - CVE-2026-43515 tomcat-coyote: tomcat: Improper Authorization allows security bypass
  • BZ - 2476520 - CVE-2026-43513 tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm
  • BZ - 2494676 - CVE-2026-55956 tomcat: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass

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