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High severity7.5NVD Advisory· Published Sep 9, 2026

CVE-2023-54355

CVE-2023-54355

Description

PocketMine-MP versions before 5.3.1 and 4.23.1 fail to validate that the identityPublicKey in LoginPacket uses the required secp384r1 elliptic curve. Attackers can provide LoginPackets with keys using different curves or non-EC key types to pass login verification but trigger an uncaught exception during ECDH key derivation, crashing the server.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Pmmp/Pocketmine Mpreferences2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: <5.3.1 and <4.23.1

Patches

Vulnerability mechanics

References

3

News mentions

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