Oracle Linux: CVE-2023-45648: ELSA-2024-0474: tomcat security update (MODERATE) (Multiple Advisories)

Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81 and from 8.5.0 through 8.5.93 did not correctly parse HTTP trailer headers. A specially
crafted, invalid trailer header 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-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fix the issue.
A flaw was found in Apache Tomcat, where an improper input validation can occur. This flaw allows a malicious user to send a crafted request containing an invalid trailer header, which could be treated as multiple requests, potentially leading to request smuggling when behind a reverse proxy.