CVE-2022-51018CWE-400denial-of-service

CVE-2022-51018

Medium · published September 7, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
34.9
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00417 · 34.9th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-09-07T17:17Z
References (2)
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-p62j-hrxm-xcxf · [email protected]https://www.vulncheck.com/advisories/pocketmine-mp-before-3.26.5-input-validation-via-book-pages · [email protected]
EPSS history
Timeline
  • 09 SEP 03:12Z
    EPSS moved — → 0%
    epss
  • 07 SEP 12:55Z
    PocketMine-MP before 3.26.5 Input Validation via Book Pages
    cvelistv5