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...

CVE-2024-7885: Concurrent Execution using Shared Resource with Improper Synchronization

A vulnerability was found in Undertow where the ProxyProtocolReadListener reuses the same StringBuilder instance across multiple requests. This issue occurs when the parseProxyProtocolV1 method processes multiple requests on the same HTTP connection. As a result, different requests may share the...