Security advisory

{
  "id": "29e942ec92d9def554b6a252f77871263e123e0cf9b563c8ba065b1c511fc209",
  "url": "https://osv.dev/vulnerability/CVE-2020-8237",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-8237",
    "summary": "Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.",
    "evidence": "osv:CVE-2020-8237",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-8237",
      "aliases": [
        "CVE-2020-8237",
        "GHSA-wgfq-7857-4jcc"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sidorares/json-bigint",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "390482a8b6b460f98c61c3b65915dbd91fc8e7b2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:json-bigint_project:json-bigint:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.4.0",
            "v0.3.0",
            "v0.2.3",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0",
            "v0.1.4",
            "v0.1.2",
            "v0.1.1",
            "v0.1.0",
            "v0.0.3",
            "v0.0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8237.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:47.849880999Z",
      "provider": "osv",
      "references": [
        "https://hackerone.com/reports/916430"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-8237",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436626,
  "published_at": "2020-09-18T21:15:13.093+00:00"
}