CVE-2022-51017

HighCVSS 7.5/10Last modified Oct 8, 2026

Description

PocketMine-MP versions before 3.26.5 and 4.0.5 fail to validate the length of skin data fields submitted by players, allowing uncapped values to exceed the 32767 byte TAG_String limit. Attackers can submit oversized skin data fields like skinID or geometryName to trigger exceptions during NBT data serialization, causing server crashes.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 7, 2026
Last modified
Oct 8, 2026
NVD status
Deferred

Related CVEs from 2022

CVE-2022-51017: High severity, CVSS 7.5 | Vulnix