Inefficient Algorithmic Complexity in PocketMine-MP - CVE-2023-54395
Published: January 9, 2023 / Updated: September 14, 2026
Vulnerability identifier: #VU125404
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-54395
CWE-ID: CWE-407
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to inefficient algorithmic complexity in ModalFormResponsePacket processing when handling very large JSON modal form responses. A remote attacker can send large numbers of specially crafted packets to cause a denial of service.
Affected software
PocketMine-MP
How to mitigate CVE-2023-54395
Install security update from vendor's website.
PocketMine-MP - update to 4.12.5