Security advisory

{
  "id": "8f82703b3e87b42abab130b14ad786acb18dc1e3484b846face69e9f1e857ae1",
  "url": "https://osv.dev/vulnerability/CVE-2019-16141",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-16141",
    "summary": "An issue was discovered in the once_cell crate before 1.0.1 for Rust. There is a panic during initialization of Lazy.",
    "evidence": "osv:CVE-2019-16141",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-16141",
      "aliases": [
        "CVE-2019-16141",
        "GHSA-7j44-fv4x-79g9",
        "RUSTSEC-2019-0017"
      ],
      "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/matklad/once_cell",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c62ee6629513d948bce53130ca168d2f856276ab"
                },
                {
                  "fixed": "7b93fec9727332b095b9ccb31f9c12b81794162e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:once_cell_project:once_cell:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.2.6"
                      },
                      {
                        "fixed": "1.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.0.0",
            "v0.2.7",
            "v0.2.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16141.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:46.781119769Z",
      "provider": "osv",
      "references": [
        "https://github.com/matklad/once_cell/issues/46",
        "https://rustsec.org/advisories/RUSTSEC-2019-0017.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-16141",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382143,
  "published_at": "2019-09-09T12:15:10.897+00:00"
}