Public vulnerability disclosure
CVE-2022-51018
CVE-2022-51018
publishedCWE-400
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).
Technical severity7.1 highCVSS 4.0 · NVD: [email protected]
Published2026-09-07Source updated 2026-11-10
Collected2026-11-102 attributed sources
Fixes and workarounds
Fix
pocketmine/pocketmine-mp (Packagist): OSV reports a fixed version 3.26.5. Check the advisory for supported release branches.
Source: OSV GHSA-p62j-hrxm-xcxfFix
pocketmine/pocketmine-mp (Packagist): OSV reports a fixed version 4.0.5. Check the advisory for supported release branches.
Source: OSV GHSA-p62j-hrxm-xcxfAffected products and versions
| Product | Versions | Authority |
|---|---|---|
pocketmine/pocketmine-mppocketmine/pocketmine-mp
Packagist |
3.0.0 (affected, Packagist) 3.0.1 (affected, Packagist) 3.0.10 (affected, Packagist) 3.0.11 (affected, Packagist) 3.0.12 (affected, Packagist) 3.0.2 (affected, Packagist) 3.0.3 (affected, Packagist) 3.0.4 (affected, Packagist) 3.0.5 (affected, Packagist) 3.0.6 (affected, Packagist) 3.0.7 (affected, Packagist) 3.0.8 (affected, Packagist) 3.0.9 (affected, Packagist) 3.1.0 (affected, Packagist) 3.1.1 (affected, Packagist) 3.1.2 (affected, Packagist) 3.1.3 (affected, Packagist) 3.1.4 (affected, Packagist) 3.1.5 (affected, Packagist) 3.1.6 (affected, Packagist) 3.1.7 (affected, Packagist) 3.1.8 (affected, Packagist) 3.10.0 (affected, Packagist) 3.10.1 (affected, Packagist) 3.11.0 (affected, Packagist) 3.11.1 (affected, Packagist) 3.11.2 (affected, Packagist) 3.11.3 (affected, Packagist) 3.11.4 (affected, Packagist) 3.11.5 (affected, Packagist) 3.11.6 (affected, Packagist) 3.11.7 (affected, Packagist) 3.12.0 (affected, Packagist) 3.12.1 (affected, Packagist) 3.12.2 (affected, Packagist) 3.12.3 (affected, Packagist) 3.12.4 (affected, Packagist) 3.12.5 (affected, Packagist) 3.12.6 (affected, Packagist) 3.13.0 (affected, Packagist) 3.13.1 (affected, Packagist) 3.14.0 (affected, Packagist) 3.14.1 (affected, Packagist) 3.14.2 (affected, Packagist) 3.14.3 (affected, Packagist) 3.15.0 (affected, Packagist) 3.15.1 (affected, Packagist) 3.15.2 (affected, Packagist) 3.15.3 (affected, Packagist) 3.15.4 (affected, Packagist) 3.16.0 (affected, Packagist) 3.16.1 (affected, Packagist) 3.17.0 (affected, Packagist) 3.17.1 (affected, Packagist) 3.17.2 (affected, Packagist) 3.17.3 (affected, Packagist) 3.17.4 (affected, Packagist) 3.17.5 (affected, Packagist) 3.17.6 (affected, Packagist) 3.17.7 (affected, Packagist) 3.18.0 (affected, Packagist) 3.18.1 (affected, Packagist) 3.18.2 (affected, Packagist) 3.19.0 (affected, Packagist) 3.19.1 (affected, Packagist) 3.19.2 (affected, Packagist) 3.19.3 (affected, Packagist) 3.2.0 (affected, Packagist) 3.2.1 (affected, Packagist) 3.2.2 (affected, Packagist) 3.2.3 (affected, Packagist) 3.2.4 (affected, Packagist) 3.2.5 (affected, Packagist) 3.2.6 (affected, Packagist) 3.2.7 (affected, Packagist) 3.20.0 (affected, Packagist) 3.21.0 (affected, Packagist) 3.21.1 (affected, Packagist) 3.22.0 (affected, Packagist) 3.22.1 (affected, Packagist) 3.22.2 (affected, Packagist) 3.22.3 (affected, Packagist) 3.22.4 (affected, Packagist) 3.22.5 (affected, Packagist) 3.23.0 (affected, Packagist) 3.23.1 (affected, Packagist) 3.24.0 (affected, Packagist) 3.25.0 (affected, Packagist) 3.25.1 (affected, Packagist) 3.25.2 (affected, Packagist) 3.25.3 (affected, Packagist) 3.25.4 (affected, Packagist) 3.25.5 (affected, Packagist) 3.25.6 (affected, Packagist) 3.26.0 (affected, Packagist) 3.26.1 (affected, Packagist) 3.26.2 (affected, Packagist) 3.26.3 (affected, Packagist) 3.26.4 (affected, Packagist) 3.3.0 (affected, Packagist) 3.3.1 (affected, Packagist) 3.3.2 (affected, Packagist) 3.3.3 (affected, Packagist) 3.3.4 (affected, Packagist) 3.4.0 (affected, Packagist) 3.4.1 (affected, Packagist) 3.4.2 (affected, Packagist) 3.4.3 (affected, Packagist) 3.5.0 (affected, Packagist) 3.5.1 (affected, Packagist) 3.5.10 (affected, Packagist) 3.5.11 (affected, Packagist) 3.5.12 (affected, Packagist) 3.5.13 (affected, Packagist) 3.5.2 (affected, Packagist) 3.5.3 (affected, Packagist) 3.5.4 (affected, Packagist) 3.5.5 (affected, Packagist) 3.5.6 (affected, Packagist) 3.5.7 (affected, Packagist) 3.5.8 (affected, Packagist) 3.5.9 (affected, Packagist) 3.6.0 (affected, Packagist) 3.6.1 (affected, Packagist) 3.6.2 (affected, Packagist) 3.6.3 (affected, Packagist) 3.6.4 (affected, Packagist) 3.6.5 (affected, Packagist) 3.6.6 (affected, Packagist) 3.7.0 (affected, Packagist) 3.7.1 (affected, Packagist) 3.7.2 (affected, Packagist) 3.7.3 (affected, Packagist) 3.8.0 (affected, Packagist) 3.8.1 (affected, Packagist) 3.8.2 (affected, Packagist) 3.8.3 (affected, Packagist) 3.8.4 (affected, Packagist) 3.8.5 (affected, Packagist) 3.8.6 (affected, Packagist) 3.8.7 (affected, Packagist) 3.9.0 (affected, Packagist) 3.9.1 (affected, Packagist) 3.9.2 (affected, Packagist) 3.9.3 (affected, Packagist) 3.9.4 (affected, Packagist) 3.9.5 (affected, Packagist) 3.9.6 (affected, Packagist) 3.9.7 (affected, Packagist) 3.9.8 (affected, Packagist) Ecosystem version events: introduced 0; fixed 3.26.5 Source events (ECOSYSTEM)Other versions: unaffected |
OSV GHSA-p62j-hrxm-xcxf |
pocketmine/pocketmine-mppocketmine/pocketmine-mp
Packagist |
4.0.0 (affected, Packagist) 4.0.1 (affected, Packagist) 4.0.2 (affected, Packagist) 4.0.3 (affected, Packagist) 4.0.4 (affected, Packagist) Ecosystem version events: introduced 4.0.0; fixed 4.0.5 Source events (ECOSYSTEM)Other versions: unaffected |
OSV GHSA-p62j-hrxm-xcxf |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 7.1 high |
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: [email protected] |
| 3.1 / 6.5 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- 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]
- https://github.com/advisories/GHSA-p62j-hrxm-xcxfOSV / GitHub Security Advisories · advisory
- https://osv.dev/vulnerability/GHSA-p62j-hrxm-xcxfOSV / GitHub Security Advisories · osv
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