{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:oatpp:oat\\+\\+:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "1.3.0"
              },
              {
                "last_affected": "1.3.0"
              },
              {
                "introduced": "1.3.1"
              },
              {
                "last_affected": "1.3.1"
              },
              {
                "introduced": "0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "17ef2a7f6c8a932498799b2a5ae5aab2869975c7"
            },
            {
              "last_affected": "17ef2a7f6c8a932498799b2a5ae5aab2869975c7"
            }
          ],
          "repo": "https://github.com/oatpp/oatpp",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.3.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-119",
      "CWE-121"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6566.json"
  },
  "details": "A vulnerability was found in oatpp Oat++ up to 1.3.1. It has been declared as critical. This vulnerability affects the function deserializeArray of the file src/oatpp/json/Deserializer.cpp. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.",
  "id": "CVE-2025-6566",
  "modified": "2026-07-15T01:49:14.041299104Z",
  "published": "2025-06-24T13:00:16.903Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6566.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6566"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.313738"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?submit.597453"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/oatpp/oatpp/issues/1037"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.313738"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/user-attachments/files/19579448/oatpp_crash.txt"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "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/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "oatpp Oat++ Deserializer.cpp deserializeArray stack-based overflow"
}