RHSA-2026:39189: Important: Red Hat JBoss Web Server 7.0.0 security release

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 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.

— Red Hat