[HIGH] PocketMine-MP vulnerable to server crash using badly formatted sign NBT in BlockActorDataPacket

PKSA-w66x-n614-p3z6 GHSA-7wrv-6h42-w54f

Affected package: pocketmine/pocketmine-mp

Affected version: >=5.0.0,<5.2.1|>=4.20.0,<4.22.3

Reported by:
GitHub