uWebSockets buffer overflow vulnerability

uWebSockets is a highly extensible library of the lightest and most efficient WebSocket servers. It features an easy-to-use, fully asynchronous object-oriented interface and scales to millions of connections using a fraction of the memory compared to other competing products. uWebSockets versions 18.11.0 and 18.12.0 have security vulnerabilities, no details of the vulnerabilities are currently available.