Denial of Service Vulnerability in PocketMine-MP by PocketMine
CVE-2022-51011

5.3MEDIUM

Key Information:

Vendor

Pmmp

Status
Pocketmine-mp
Vendor
CVE Published:
7 September 2026

What is CVE-2022-51011?

PocketMine-MP, prior to version 4.2.10, is susceptible to a denial of service vulnerability stemming from improper validation of the incoming chat message lengths. Attackers can exploit this flaw by sending excessively large chat packets that contain numerous newline characters. This bombardment can overwhelm the server, leading to significant downtime and degrading the overall performance of the application. As a result, legitimate users may experience interruptions during gameplay, significantly affecting the user experience.

Affected Version(s)

PocketMine-MP 0 < 4.2.10

PocketMine-MP 4.2.10

References

https://github.com/pmmp/PocketMine-MP/security/advisories...
vendor-advisory
https://github.com/pmmp/PocketMine-MP/commit/df33e179e5d3...
patch
https://www.vulncheck.com/advisories/pocketmine-mp-before...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.