Security advisory

{
  "id": "063de69932e0ac97ae8d35850ac4adbe589f40c0c12c1bd3110c4e23d43c3411",
  "url": "https://osv.dev/vulnerability/CVE-2019-18936",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-18936",
    "summary": "UniValue::read() in UniValue before 1.0.5 allow attackers to cause a denial of service (the class internal data reaches an inconsistent state) via input data that triggers an error.",
    "evidence": "osv:CVE-2019-18936",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-18936",
      "aliases": [
        "CVE-2019-18936"
      ],
      "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/jgarzik/univalue",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7fb9335ad79e9b3969d26fa459b34eb01dd5eb70"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bloq:univalue:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.0.4",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v0.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18936.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:38.395610121Z",
      "provider": "osv",
      "references": [
        "https://github.com/jgarzik/univalue/compare/v1.0.4...v1.0.5",
        "https://github.com/jgarzik/univalue/pull/58"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-18936",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382709,
  "published_at": "2020-03-21T01:15:12.303+00:00"
}