Security advisory

{
  "id": "0f50a7a6f03dab64efa07860f2264218bf9d3497b2baa5eab51ddcf67d7e5527",
  "url": "https://osv.dev/vulnerability/CVE-2019-15947",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-15947",
    "summary": "In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory. Upon a crash, it may dump a core file. If a user were to mishandle a core file, an attacker can reconstruct the user's wallet.dat file, including their private keys, via a grep \"6231 0500\" command.",
    "evidence": "osv:CVE-2019-15947",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-15947",
      "aliases": [
        "CVE-2019-15947"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bitcoin/bitcoin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2472733a24a9364e4c6233ccd04166a26a68cc65"
                },
                {
                  "last_affected": "2472733a24a9364e4c6233ccd04166a26a68cc65"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bitcoin:bitcoin_core:0.18.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.18.0"
                      },
                      {
                        "last_affected": "0.18.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.18.0",
            "v0.18.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15947.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:24.938715548Z",
      "provider": "osv",
      "references": [
        "https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947",
        "https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861b",
        "https://security.gentoo.org/glsa/202009-18",
        "https://github.com/bitcoin/bitcoin/issues/16824"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-15947",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383629,
  "published_at": "2019-09-05T17:15:12.187+00:00"
}