CVE-2021-48007

Medium

Description

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductPocketmine/pocketmine-mp

PublishedSep 6, 2026

First seenSep 6, 2026

Weakness typeCWE-20Improper input validation

How to fix

Update

pocketmine/pocketmine-mp3.18.1 or later

Patches

github.com/pmmp/PocketMine-MP/commit/fb20bb38327b4c08ee3976640cd0dd547388a638

Vendor advisories

github.com/pmmp/PocketMine-MP/security/advisories/GHSA-fm35-jgg3-3grx

Affected products

Product	Affected versions	Fixed in
pocketmine/pocketmine-mpPackagist	v < 3.18.1	3.18.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.