CVE-2023-46589: Apache Tomcat: HTTP request smuggling via malformed trailer headers

                Severity: important

Affected versions:

- Apache Tomcat 11.0.0-M1 through 11.0.0-M10
- Apache Tomcat 10.1.0-M1 through 10.1.15
- Apache Tomcat 9.0.0-M1 through 9.0.82
- Apache Tomcat 8.5.0 through 8.5.95

Description:

request as multiple requests leading to the possibility of request
smuggling when behind a reverse proxy.

Credit:

Norihito Aimoto (OSSTech Corporation)  (finder)

References:

https://lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxr
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2023-46589