{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.0.0"
              },
              {
                "fixed": "3.26.5"
              },
              {
                "introduced": "4.0.0"
              },
              {
                "fixed": "4.0.5"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "03510333dcec34fa5a59191e8e9610a9da5765ef"
            },
            {
              "fixed": "a4af1609eaf42eff5effe04b08f2c1402d408f3d"
            },
            {
              "introduced": "468faa464b2bc5c97f23fafbb71ea61035f6f218"
            },
            {
              "fixed": "e7d17eb4d327f6573ae702273e3838305844d2d6"
            }
          ],
          "repo": "https://github.com/pmmp/pocketmine-mp",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-c6fg-99pr-25m9"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-20"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/51xxx/CVE-2022-51017.json"
  },
  "details": "PocketMine-MP versions before 3.26.5 and 4.0.5 fail to validate the length of skin data fields submitted by players, allowing uncapped values to exceed the 32767 byte TAG_String limit. Attackers can submit oversized skin data fields like skinID or geometryName to trigger exceptions during NBT data serialization, causing server crashes.",
  "id": "CVE-2022-51017",
  "modified": "2026-09-10T03:30:26.695908987Z",
  "published": "2026-09-07T12:55:09.862Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/51xxx/CVE-2022-51017.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-c6fg-99pr-25m9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-51017"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/pocketmine-mp-before-3.26.5-and-4.0.5-denial-of-service-via-skin-data"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pmmp/PocketMine-MP/commit/6492cac5c10f9fa8443ceddd2191a7b65b73f601"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pmmp/PocketMine-MP/commit/958a9dbf0fe3131ab60319c5a939f5dfbfe5dfbb"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "PocketMine-MP before 3.26.5 and 4.0.5 Denial of Service via Skin Data"
}