A flaw was found in XNIO, specifically in the notifyReadClosed method. The issue revealed this method was logging a message to another expected end. This flaw allows an attacker to send flawed requests to a server, possibly causing log contention-related performance concerns or an unwanted disk fill-up.
https://github.com/xnio/xnio/pull/291
https://github.com/xnio/xnio/commit/fdefb3b8b715d33387cadc4d48991fb1989b0c12