Security advisory

{
  "id": "4ae0f9133422c8be3b6b4ac47cf60dfaa96c1ff2fdcd6ee4fb65372cb7fa6027",
  "url": "https://osv.dev/vulnerability/CVE-2019-1000013",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-1000013",
    "summary": "Hex package manager hex_core version 0.3.0 and earlier 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 0.4.0.",
    "evidence": "osv:CVE-2019-1000013",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-1000013",
      "aliases": [
        "CVE-2019-1000013",
        "GHSA-q3cc-rr2c-87r6"
      ],
      "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_core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4cee9e8ad5ed6b2102a6209e3cc2f169ef951ad8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hex:hex_core:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.3.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.3.0",
            "v0.2.1",
            "v0.2.0",
            "v0.1.1",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-1000013.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:34.500564550Z",
      "provider": "osv",
      "references": [
        "https://github.com/hexpm/hex_core/pull/48",
        "https://github.com/hexpm/hex_core/pull/51"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-1000013",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381862,
  "published_at": "2019-02-04T21:29:01.143+00:00"
}