CVE-2023-46589 (published 2023-11-28T15:31:52.366Z)
Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A 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.

Users are recommended to upgrade to version 11.0.0-M11 onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue.


Affected products: Vendor: Apache Software Foundation
Product: Apache Tomcat
Versions: 11.0.0-M1, 10.1.0-M1, 9.0.0-M1, 8.5.0