PocketMine-MP versions before 4.20.5 contain a denial of service vulnerability in LoginPacket JSON parsing due to improper validation in the JsonMapper dependency. Attackers can send malformed JSON structures in LoginPacket to crash the server.
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History
Wed, 09 Sep 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
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| Description | PocketMine-MP versions before 4.20.5 contain a denial of service vulnerability in LoginPacket JSON parsing due to improper validation in the JsonMapper dependency. Attackers can send malformed JSON structures in LoginPacket to crash the server. | |
| Title | PocketMine-MP before 4.20.5 Denial of Service via LoginPacket | |
| Weaknesses | CWE-20 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-09T13:31:52.111Z
Updated: 2026-09-09T13:31:52.111Z
Reserved: 2026-09-05T20:59:39.275Z
Link: CVE-2023-54393
No data.
Status : Deferred
Published: 2026-09-09T14:17:09.447
Modified: 2026-09-09T20:20:21.673
Link: CVE-2023-54393
No data.