CVE-2022-51011

MEDIUMCVSS 4.3

Description

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.

Timeline

Published:September 7th, 2026 1:17 PM

Last modified:September 8th, 2026 7:59 PM

CVSS Scoring

CVSS v3: 4.3 (MEDIUM)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-20

References & Reports

Advisories, patches, and third-party reports

https://github.com/pmmp/PocketMine-MP/commit/df33e179e5d3ff13b56a2d7060bf592b0f797258
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-gj94-v4p9-w672
https://www.vulncheck.com/advisories/pocketmine-mp-before-4.2.10-denial-of-service-via-chat-messages

Source: NIST NVD · Data may lag official sources by up to one minute