Security advisory

{
  "id": "6ad6e6fa36cf5d85d008e6c4e7b08b6d54f9cd02f8d6b9eaae43051af66a0e0c",
  "url": "https://osv.dev/vulnerability/CVE-2019-1000012",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-1000012",
    "summary": "Hex package manager version 0.14.0 through 0.18.2 contains a Signing oracle vulnerability in Package registry verification that can result in Package modifications not detected, allowing code execution. This attack appears to be exploitable via victim fetches packages from malicious/compromised mirror. This vulnerability appears to have been fixed in 0.19.",
    "evidence": "osv:CVE-2019-1000012",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-1000012",
      "aliases": [
        "CVE-2019-1000012"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hexpm/hex",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cd6111d29b67bb9db8e6844bef568e65ca4c32a1"
                },
                {
                  "last_affected": "b5cb84be040dd5b130dde67f6debe41e9e4f328e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hex:hex:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.14.0"
                      },
                      {
                        "last_affected": "0.18.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.18.2",
            "v0.16.1",
            "v0.18.1",
            "v0.18.0",
            "v0.17.7",
            "v0.17.6",
            "v0.17.5",
            "v0.17.4",
            "v0.17.3",
            "v0.17.2",
            "v0.17.1",
            "v0.17.0",
            "v0.16.0",
            "v0.15.0",
            "v0.14.1",
            "v0.14.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-1000012.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:34.515381536Z",
      "provider": "osv",
      "references": [
        "https://github.com/hexpm/hex/pull/646",
        "https://github.com/hexpm/hex/pull/651"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-1000012",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381863,
  "published_at": "2019-02-04T21:29:01.097+00:00"
}