CVE-2022-51011

MEDIUM 4.3

PocketMine-MP before 4.2.10 Denial of Service via Chat Messages

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-20
Vendor	pmmp
Product	pocketmine-mp
Published	Sep 7, 2026
Last Updated	Sep 10, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

pmmp / PocketMine-MP

0 < 4.2.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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