CVE-2022-51013

Medium

Description

PocketMine-MP versions before 4.2.3 fail to validate damage metadata values in tool and armor item NBT data received from clients. Attackers can send negative or out-of-range damage values in itemstack NBT to trigger unhandled exceptions in the Durable class, causing server crashes.

SeverityMedium

CVSS6.5

Exploit probability—

ProductPocketmine/pocketmine-mp

PublishedSep 7, 2026

First seenSep 7, 2026

Weakness typeCWE-20Improper input validation

How to fix

Update

pocketmine/pocketmine-mp4.2.4 or later

Patches

github.com/pmmp/PocketMine-MP/commit/c8e1cfcbee4945fd4b63d2a7e96025c59744d4f1

Vendor advisories

github.com/pmmp/PocketMine-MP/security/advisories/GHSA-46c5-pfj8-fv65

Affected products

Product	Affected versions	Fixed in
pocketmine/pocketmine-mpPackagist	v < 4.2.4	4.2.4

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