Security advisory

{
  "id": "ef94ccf22b99264bfe64fa87975c468bb30c403bcea79a05cea9281defacf8ef",
  "url": "https://osv.dev/vulnerability/CVE-2019-16762",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-16762",
    "summary": "A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the slpjs npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. Affected users can upgrade to any version >= 0.21.4.",
    "evidence": "osv:CVE-2019-16762",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-16762",
      "aliases": [
        "CVE-2019-16762",
        "GHSA-425c-ccf3-3jrr"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/simpleledger/slpjs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ac8809b42e47790a6f0205991b36f2699ed10c84"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:simpleledger:slpjs:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.21.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ac8809b42e47790a6f0205991b36f2699ed10c84"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.21.1",
            "0.18.2",
            "0.18.0",
            "0.17.0",
            "0.16.3",
            "0.16.2",
            "0.16.1",
            "0.16.0",
            "0.15.13",
            "0.15.3",
            "0.14.0",
            "0.12.2",
            "0.10.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16762.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:27.096159347Z",
      "provider": "osv",
      "references": [
        "https://github.com/simpleledger/slpjs/commit/ac8809b42e47790a6f0205991b36f2699ed10c84#diff-fe58606994c412ba56a65141a7aa4a62L701",
        "https://github.com/simpleledger/slpjs/security/advisories/GHSA-425c-ccf3-3jrr"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-16762",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383649,
  "published_at": "2019-11-15T23:15:11.443+00:00"
}