CVE-2022-51009
Received Received - Intake

PocketMine-MP Server Crash via Invalid Skin Geometry JSON

Publication date: 2026-09-06

Last updated on: 2026-09-06

Assigner: VulnCheck

Description
PocketMine-MP before 4.7.2 fails to properly handle exceptions from the adhocore/json-comment library when parsing skin geometry data. Attackers can send login or skin packets with invalid geometry JSON to trigger an unhandled RuntimeException, causing server crash.

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Meta Information

Published
2026-09-06
Last Modified
2026-09-06
Generated
2026-09-06
AI Q&A
2026-09-06
EPSS Evaluated
N/A
NVD
CVE-2022-51009
EUVD
EUVD-2022-56036

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
pocketmine mp to 4.7.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-248 An exception is thrown from a function, but it is not caught.

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Executive Summary

CVE-2022-51009 is a vulnerability in PocketMine-MP versions before 4.7.2 where the software fails to handle exceptions from the adhocore/json-comment library when parsing skin geometry data. Attackers can send login or skin packets with invalid JSON geometry data, triggering an unhandled RuntimeException that crashes the server.

Detection Guidance

Monitor PocketMine-MP server logs for crashes during player login or skin packet processing. Check for RuntimeException errors related to skin geometry parsing in the logs. Ensure your server runs version 4.7.2 or later to avoid this issue.

Impact Analysis

This vulnerability can lead to a Denial of Service (DoS) attack, causing the PocketMine-MP server to crash. Attackers can remotely exploit it without needing privileges or user interaction by sending malformed skin geometry data.

Compliance Impact

This vulnerability primarily causes server crashes due to improper exception handling, leading to Denial of Service (DoS). It does not directly impact data confidentiality or integrity, which are key concerns for GDPR and HIPAA. However, prolonged downtime could disrupt access to personal data, potentially affecting compliance with availability requirements in these regulations.

Mitigation Strategies

Upgrade PocketMine-MP to version 4.7.2 or later to patch the vulnerability. If upgrading is not immediately possible, implement plugins to validate skin geometry data during login or skin packet handling to prevent crashes.

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