medium6.5
CVE-2023-54392
PocketMine-MP versions >= 4.20.0 before 4.22.3 (and before 5.2.1 in the 5.x branch) fail to validate NBT tag types in BlockActorDataPacket.
Impact
PocketMine-MP versions >= 4.20.0 before 4.22.3 (and before 5.2.1 in the 5.x branch) fail to validate NBT tag types in BlockActorDataPacket. A player can crash the server by sending a packet containing sign NBT data with an incorrect tag type, triggering an unhandled UnexpectedTagTypeException that terminates the server process.
Affected products
| Product | Affected versions |
|---|---|
| PocketMine-MP Versions >= 4.20.0 | before 4.22.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.