Y2Y2
Explore more on Y2
Public vulnerability disclosure
Investigate in Cyber
Open

CVE-2022-51011

CVE-2022-51011

publishedCWE-20

PocketMine-MP before 4.2.10 fails to validate the total length of incoming chat message blobs before splitting them by newline characters, allowing attackers to send large messages containing many newlines. Malicious clients can send megabyte-sized chat packets and bombard the server with thousands of such messages, causing server lockups lasting seconds or minutes.

Technical severity5.3 mediumCVSS 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 4.2.10. Check the advisory for supported release branches.

Source: OSV GHSA-gj94-v4p9-w672

Affected products and versions

ProductVersionsAuthority
pocketmine/pocketmine-mp

pocketmine/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)
3.26.5 (affected, Packagist)
3.27.0 (affected, Packagist)
3.28.0 (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)
4.0.0 (affected, Packagist)
4.0.0-BETA1 (affected, Packagist)
4.0.0-BETA10 (affected, Packagist)
4.0.0-BETA11 (affected, Packagist)
4.0.0-BETA12 (affected, Packagist)
4.0.0-BETA13 (affected, Packagist)
4.0.0-BETA14 (affected, Packagist)
4.0.0-BETA15 (affected, Packagist)
4.0.0-BETA2 (affected, Packagist)
4.0.0-BETA3 (affected, Packagist)
4.0.0-BETA4 (affected, Packagist)
4.0.0-BETA5 (affected, Packagist)
4.0.0-BETA6 (affected, Packagist)
4.0.0-BETA7 (affected, Packagist)
4.0.0-BETA8 (affected, Packagist)
4.0.0-BETA9 (affected, Packagist)
4.0.1 (affected, Packagist)
4.0.2 (affected, Packagist)
4.0.3 (affected, Packagist)
4.0.4 (affected, Packagist)
4.0.5 (affected, Packagist)
4.0.6 (affected, Packagist)
4.0.7 (affected, Packagist)
4.0.8 (affected, Packagist)
4.0.9 (affected, Packagist)
4.1.0 (affected, Packagist)
4.1.0-BETA1 (affected, Packagist)
4.1.0-BETA2 (affected, Packagist)
4.2.0 (affected, Packagist)
4.2.1 (affected, Packagist)
4.2.2 (affected, Packagist)
4.2.3 (affected, Packagist)
4.2.4 (affected, Packagist)
4.2.5 (affected, Packagist)
4.2.6 (affected, Packagist)
4.2.7 (affected, Packagist)
4.2.8 (affected, Packagist)
4.2.9 (affected, Packagist)
Ecosystem version events: introduced 0; fixed 4.2.10
Source events (ECOSYSTEM) 
[
  {
    "introduced": "0"
  },
  {
    "fixed": "4.2.10"
  }
]

Other versions: unaffected 		OSV GHSA-gj94-v4p9-w672

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

Version / scoreVectorAuthority
4.0 / 5.3
medium		 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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:XNVD: [email protected]
3.1 / 4.3
medium		 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LNVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

For agents and automation

Read public disclosures for free as Markdown or JSON. Compatible browsers also expose native WebMCP tools to search disclosures, read this page, and discover API access.

Use the ontology-linked Cyber API with x402 pay per request, or a Y2 Pro or Elite API key with the intel:cyber scope.

Get an API keyUse x402Connect an agent
Endpoints and access details

https://api.y2.dev/api/v2/cyber/cves
https://api.y2.dev/api/v2/cyber/cves/{cveId}

A workspace owner or admin can create a Pro or Elite API key. Send Authorization: Bearer <Y2_API_KEY> from your trusted agent runtime.

For x402, omit Authorization and read the HTTP 402 payment challenge before signing a retry. Public browser tools do not make payments.

Agent access JSON · OpenAPI · CVE API guide