SB2022052204 - Improper input validation in PocketMine-MP
Published: May 22, 2022 Updated: April 8, 2026
Security Bulletin ID
SB2022052204
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: N/A)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in chat message processing when handling large chat messages containing many newline characters. A remote attacker can send a specially crafted chat packet to cause a denial of service.
The issue is triggered because incoming chat message blobs are split on newline characters and the total message length is not checked before parsing.
Remediation
Install update from vendor's website.