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WS-2022-0100

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Date: August 19, 2025

In pocketmine/pocketmine-mp before 3.18.1 a malicious client may send a MovePlayerPacket to the server whose position or rotation contains NaN or INF. Since neither the server nor vanilla client handles this properly, a number of interesting side effects come into play.

Language: PHP

Severity Score

Related Resources (3)

https://github.com/pmmp/PocketMine-MP/commit/fb20bb38327b4c08ee3976640cd0dd547388a638
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-fm35-jgg3-3grx
https://www.mend.io/vulnerability-database/WS-2022-0100

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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