---
id: CVE-2022-51009
title: >-
  PocketMine-MP before 4.7.2 fails to properly handle exceptions from the
  adhocore/json-comment library when parsing skin geometry data
summary: >-
  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
  RuntimeExc…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-248
vendor: pmmp
product: PocketMine-MP
affected:
  - PocketMine-MP < 4.7.2
published: '2026-09-06'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T16:17:05.560'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-51009'
references:
  - url: >-
      https://github.com/pmmp/PocketMine-MP/commit/c9626c610b8f6810c8c987559c9197b2a291f0bb
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-8cwq-4cmf-px73
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/pocketmine-mp-before-4.7.2-denial-of-service-via-skin-geometry
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-10T14:22:40.898901Z'
epss: 0.00339
epssPercentile: 0.24633
ingestedAt: '2026-09-07T03:04:07.355Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.