CVE-2020-37277

Medium

Description

PocketMine-MP versions before 3.15.4 contain a denial of service vulnerability in the InventoryTransaction component's findResultItem() method. Malicious clients can send specially crafted InventoryTransactionPackets with multiple conflicting pathways to cause exponential processing complexity, freezing the server.

SeverityMedium

CVSS6.5

Exploit probability—

ProductPocketmine/pocketmine-mp

PublishedSep 6, 2026

First seenSep 6, 2026

Weakness typeCWE-400Uncontrolled resource consumption

How to fix

Update

pocketmine/pocketmine-mp3.15.4 or later

Patches

github.com/pmmp/PocketMine-MP/commit/c368ebb5e74632bc622534b37cd1447b97281e20

Vendor advisories

github.com/pmmp/PocketMine-MP/security/advisories/GHSA-8jq6-w5cg-wm45

Affected products

Product	Affected versions	Fixed in
pocketmine/pocketmine-mpPackagist	v < 3.15.4	3.15.4

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