Vulnerabilidades de @fastify/rate-limit (CVE)

@fastify/rate-limit vulnerable to rate-limit bypass via IPv6 address rotation

@fastify/rate-limit before 11.2.0 keys rate-limit buckets by the verbatim client IP string returned from request.ip. Because a single IPv6 client can control a large address range (a /64 holds 2^64 distinct addresses) and the same address has multiple valid t…