CVE-2023-54394 [MEDIUM] – PocketMine-MP before 4.18.0-ALPHA2 fails to rate-limit mismatch type InventoryTransactionP

PocketMine-MP before 4.18.0-ALPHA2 fails to rate-limit mismatch type InventoryTransactionPacket requests, allowing attackers to trigger excessive inventory synchronization. Attackers can send numerous mismatch transactions to force the server to transmit large amounts of serialized inventory data, consuming significant bandwidth without authentication.