Fixed in Apache Tomcat 11.0.0-M11

Moderate: Open redirect CVE-2023-41080

If the ROOT (default) web application is configured to use FORM authentication then it is possible that a specially crafted URL could be used to trigger a redirect to an URL of the attackers choice.

This was fixed with commit e3703c9a.

This issue was reported to the Tomcat Security Team on 17 August 2023. The issue was made public on 22 August 2023.

Affects: 11.0.0-M1 to 11.0.0-M10

Important: Request smuggling CVE-2023-46589

Tomcat did not correctly parse HTTP trailer headers. A specially crafted trailer header that exceeded the header size limit could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy.

This was fixed with commit 6f181e10.

This issue was reported to the Tomcat Security Team on 20 October 2023. The issue was made public on 28 November 2023.

Affects: 11.0.0-M1 to 11.0.0-M10