CVE-2022-51011
Published:September 07, 2026
Updated:September 22, 2026
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.
Affected Packages
https://github.com/pmmp/PocketMine-MP.git (GITHUB):
Affected version(s) >=4.0.0-BETA1 <4.2.10Fix Suggestion:
Update to version 4.2.10pocketmine/pocketmine-mp (PHP):
Affected version(s) >=4.0.0-BETA1 <4.2.10Fix Suggestion:
Update to version 4.2.10Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Improper Input Validation
EPSS
Base Score:
0.43