CVE-2026-43514

Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versio...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. 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...

GHSA-5MP6-JRQ3-R938 Apache Tomcat: LockOutRealm treats user names as case-sensitive

Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions...

Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: No limit was enforced on the request body for WebDAV LOCK or PROPFIND requests which were available to...

EUVD-2026-29517

Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions...

Improper Validation of Syntactic Correctness of Input

Overview org.apache.tomcat:tomcat-coyote is a Tomcat Connectors and HTTP parser. Affected versions of this package are vulnerable to Improper Validation of Syntactic Correctness of Input in the processing of HTTP/2 request headers. An attacker can cause unexpected behavior or potentially compromi...

Improper Validation of Syntactic Correctness of Input

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Improper Validation of Syntactic Correctness of Input in the processing of HTTP/2 request headers. An attacker can cause unexpected behavior or potentially...

CVE-2026-43512

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0. Older unsupported...

CVE-2026-43513

CVE-2026-43513 : Apache Tomcat has an improper handling of case sensitivity in LockOutRealm. Affects Tomcat 11.0.0-M1 through 11.0.21, 10.1.0-M1 through 10.1.54, 9.0.0.M1 through 9.0.117, 8.5.0 through 8.5.100, and 7.0.0 through 7.0.109 (older unsupported versions may also be affected). Upgrading...

Apache Tomcat 10.1.0.M1 < 10.1.55 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 10.1.55. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat10.1.55security-10 advisory. - DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat...

Apache Tomcat 9.0.0.M1 < 9.0.118 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 9.0.118. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat9.0.118security-9 advisory. - DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. Th...