{
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "StackOverflowError for YAML input with cycles",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-674 Uncontrolled Recursion",
              "lang": "en",
              "cweId": "CWE-674",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Commons Configuration",
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "packageName": "org.apache.commons:commons-configuration2",
          "versions": [
            {
              "status": "affected",
              "version": "2.2",
              "lessThan": "2.15.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "descriptions": [
        {
          "value": "Uncontrolled Recursion vulnerability in Apache Commons.\n\nWhen processing an untrusted configuration file, Commons Configuration will throw a StackOverflowError for YAML input with cycles.\nThis issue affects Apache Commons: from 2.2 before 2.15.0.\n\nUsers are recommended to upgrade to version 2.15.0, which fixes the issue.",
          "lang": "en",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "<p>Uncontrolled Recursion vulnerability in Apache Commons.</p>When processing an untrusted configuration file, Commons Configuration will throw a StackOverflowError for YAML input with cycles.<br><p>This issue affects Apache Commons: from 2.2 before 2.15.0.</p><p>Users are recommended to upgrade to version 2.15.0, which fixes the issue.</p>"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/apache/commons-configuration/pull/634",
          "tags": [
            "patch"
          ]
        },
        {
          "url": "https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkk",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "other": {
            "type": "Textual description of severity",
            "content": {
              "text": "low"
            }
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Erichen, Institute of Computing Technology, Chinese Academy of Sciences",
          "type": "reporter"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "cveId": "CVE-2026-45205",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}