The vulnerability of the parseProxyProtocolV1() function in the ProxyProtocolReadListener class of the Undertow web server allows a hacker to gain unauthorized access to protected information.

The vulnerability of the parseProxyProtocolV1 function in the ProxyProtocolReadListener class of the Undertow web server is related to the synchronization of requests and responses when processing the StringBuilder parameter. Exploiting this vulnerability can allow a remote attacker to gain...