CVE-2022-51018

MediumCVSS 6.5/10Last modified Oct 8, 2026

Description

PocketMine-MP before 3.26.5 and 4.0.x before 4.0.5 does not limit book page text length, page count, or author/title length. A player who obtains a writable book can create oversized NBT ('book bombs'), causing excess bandwidth consumption and server crashes (exceeding the 1 MB chunk size limit when saving region-based worlds in PM3, or exceeding the 32 KiB TAG_String limit in PM4).

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/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-2022-51018: Medium severity, CVSS 6.5 | Vulnix