GHSA-CQFX-GF56-8X59 libp2p-rendezvous: Unlimited namespace registrations per peer enables OOM DoS on rendezvous servers

Summary Thelibp2p-rendezvous server has no limit on how many namespaces a single peer can register. A malicious peer can repeatedly register unique namespaces in a loop, and the server accepts the requests, allocating memory for each registration without pushback. If an attacker continues...