CVE-2026-35405 libp2p-rendezvous: Unlimited namespace registrations per peer enables OOM DoS on rendezvous servers

libp2p-rust is the official rust language Implementation of the libp2p networking stack. Prior to 0.17.1, libp2p-rendezvous server has no limit on how many namespaces a single peer can register. A malicious peer can just keep registering unique namespaces in a loop and the server happily accepts...