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    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54396",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-09-05T21:00:50.888Z",
        "datePublished": "2026-09-09T13:31:54.170Z",
        "dateUpdated": "2026-10-08T15:21:09.045Z"
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                "dateUpdated": "2026-10-08T15:21:09.045Z"
            },
            "datePublic": "2023-01-06T00:00:00.000Z",
            "title": "PocketMine-MP before 4.8.1 Server Crash via Banner NBT",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization. Attackers can provide invalid color values in inventory transactions or via commands to trigger undefined offset errors and crash the server."
                }
            ],
            "tags": [
                "unsupported-when-assigned"
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Improper Validation of Array Index",
                            "cweId": "CWE-129",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "pmmp",
                    "product": "PocketMine-MP",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "4.8.1"
                        },
                        {
                            "version": "4.8.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ],
                    "packageURL": "pkg:composer/pocketmine/pocketmine-mp"
                }
            ],
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 7.1,
                        "baseSeverity": "HIGH"
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                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-wqqv-jcfr-9f5g",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "name": "GitHub Security Advisory (GHSA-wqqv-jcfr-9f5g)"
                },
                {
                    "url": "https://github.com/pmmp/PocketMine-MP/commit/08b9495bce2d65a6d1d3eeb76e484499a00765eb",
                    "tags": [
                        "patch"
                    ],
                    "name": "Patch Commit"
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                {
                    "name": "VulnCheck Advisory: PocketMine-MP before 4.8.1 Server Crash via Banner NBT",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/pocketmine-mp-before-4.8.1-server-crash-via-banner-nbt"
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                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-09T14:10:39.674626Z",
                                "id": "CVE-2023-54396",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-09T14:10:48.619Z"
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