The vulnerability affects the classes HAProxyMessage and HAProxyMessageEncoder of the Netty framework, which is used for developing network applications, servers, and client protocols. This vulnerability allows an attacker to replace the original data with malicious content.

The vulnerability of the HAProxyMessage and HAProxyMessageEncoder classes in the Netty framework for developing network applications, servers, and clients is related to the failure to handle CRLF sequences properly. Exploiting this vulnerability can allow an attacker to replace legitimate data wi...