CVE-2021-48007 [MEDIUM] – PocketMine-MP versions before 3.18.1 fail to validate NaN or INF values in MovePlayerPacke

PocketMine-MP versions before 3.18.1 fail to validate NaN or INF values in MovePlayerPacket position and rotation fields. Malicious clients can send crafted movement packets with invalid floating-point values to crash servers through unhandled mathematical operations or prevent clients from rendering other players.