Description
If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat was located behind a reverse proxy that also failed to reject the request with the invalid header.
Remediation
References
https://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sq
https://security.gentoo.org/glsa/202305-37
Related Vulnerabilities
CVE-2023-32070 Vulnerability in maven package org.xwiki.rendering:xwiki-rendering-xml
CVE-2023-24448 Vulnerability in maven package org.jenkins-ci.plugins:rabbitmq-consumer
CVE-2021-41184 Vulnerability in maven package org.webjars.npm:jquery-ui
CVE-2019-1003077 Vulnerability in maven package org.jenkins-ci.plugins:audit2db
CVE-2020-13445 Vulnerability in maven package com.liferay:com.liferay.portal.template.velocity