Threats Tagged 'cve-2026-42498'

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.

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) * Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486) Bug Fix(es) and Enhancement(s): * Remove tomcat clustering JAR from RPM builds (JIRA:RHEL-183993) 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.

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) * Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486) 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.

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.21, from 10.1.0 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.

Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.21, from 10.1.0 through 10.1.54, from 9.0.0 through 9.0.117. Older, unsupported versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.

This update includes the following RPMs: tomcat10: * tomcat10-10.1.55-1.hum1 (noarch) * tomcat10-admin-webapps-10.1.55-1.hum1 (noarch) * tomcat10-common-10.1.55-1.hum1 (noarch) * tomcat10-docs-webapp-10.1.55-1.hum1 (noarch) * tomcat10-el-5.0-api-10.1.55-1.hum1 (noarch) * tomcat10-jsp-3.1-api-10.1.55-1.hum1 (noarch) * tomcat10-lib-10.1.55-1.hum1 (noarch) * tomcat10-servlet-6.0-api-10.1.55-1.hum1 (noarch) * tomcat10-user-instance-10.1.55-1.hum1 (noarch) * tomcat10-webapps-10.1.55-1.hum1 (noarch) * tomcat10-10.1.55-1.hum1.src (src)

CVE-2026-42498 is a vulnerability in Apache Tomcat that causes the HTTP Authentication Header to be exposed to unexpected hosts during WebSocket authentication. This affects multiple versions of Apache Tomcat ranging from 7.0.83 through 11.0.21. The issue can lead to unauthorized disclosure of authentication information. Apache has released fixed versions 11.0.22, 10.

Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration. This issue affects Apache Tomcat: from 11.0.0 through 11.0.18, from 10.0.0 through 10.1.52, from 9.0.13 through 9..115, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Users are recommended to upgrade to version 11.0.19, 10.1.53 and 9.0.116, which fixes the issue.