Security advisory

{
  "id": "14d7b996ffd3d0db7731b53bd0ca88314dd6404e82ffe622240c95200f0ff6f6",
  "url": "https://osv.dev/vulnerability/CVE-2018-1000201",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-1000201",
    "summary": "ruby-ffi version 1.9.23 and earlier has a DLL loading issue which can be hijacked on Windows OS, when a Symbol is used as DLL name instead of a String This vulnerability appears to have been fixed in v1.9.24 and later.",
    "evidence": "osv:CVE-2018-1000201",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-1000201",
      "aliases": [
        "CVE-2018-1000201",
        "GHSA-2gw2-8q9w-cw8p"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ffi/ffi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "eba81d933a84263aedefe17021c7ce8ed0b5b215"
                },
                {
                  "fixed": "09e0c6076466b4383da7fa4e13f714311109945a"
                },
                {
                  "fixed": "e0fe486df0e117ed67b0282b6ada04b7214ca05c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ruby-ffi_project:ruby-ffi:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.9.23"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "09e0c6076466b4383da7fa4e13f714311109945a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e0fe486df0e117ed67b0282b6ada04b7214ca05c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.9.23",
            "1.9.23.pre1",
            "1.9.22",
            "1.9.21",
            "1.9.20",
            "1.9.19",
            "1.9.18",
            "1.9.17",
            "1.9.16",
            "1.9.15",
            "1.9.14",
            "1.9.13",
            "1.9.12",
            "1.9.11",
            "1.9.10",
            "1.9.9",
            "1.9.8",
            "1.9.7",
            "v1.9.6",
            "1.9.5",
            "1.9.4",
            "1.9.3",
            "1.9.2",
            "1.9.1",
            "1.9.0",
            "1.8.1",
            "1.8.0",
            "1.7.0",
            "1.6.0",
            "1.5.0",
            "1.4.0",
            "0.6.3",
            "1.3.1",
            "1.3.0",
            "1.2.0",
            "1.2.0.pre6",
            "1.2.0.pre4",
            "1.2.0.pre2",
            "1.2.0.dev4",
            "1.2.0.dev3",
            "1.1.1",
            "1.1.1.rc2",
            "1.1.1.rc1",
            "1.1.0",
            "1.1.0rc3",
            "1.1.0rc2",
            "1.1.0rc1",
            "1.0.12rc3",
            "1.0.12.pre",
            "1.0.10",
            "1.0.9",
            "1.0.8",
            "1.0.7",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "0.6.2",
            "0.6.1",
            "0.6.0",
            "0.5.0",
            "0.4.0",
            "0.3.2",
            "0.3.1",
            "0.3.0",
            "0.2.0",
            "0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000201.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:39.183801877Z",
      "provider": "osv",
      "references": [
        "https://github.com/ffi/ffi/commit/09e0c6076466b4383da7fa4e13f714311109945a",
        "https://github.com/ffi/ffi/commit/e0fe486df0e117ed67b0282b6ada04b7214ca05c"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-1000201",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380642,
  "published_at": "2018-06-22T18:29:00.217+00:00"
}