{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.14.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "43a987c1cbcd04b9c59052606c3c31c56abc826e"
            }
          ],
          "repo": "https://github.com/bitcoin/bitcoin",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment to a victim who uses an SPV wallet, even if that payment did not actually occur. Completing the attack would cost more than a million dollars, and is relevant mainly only in situations where an autonomous system relies solely on an SPV proof for transactions of a greater dollar amount.",
  "id": "CVE-2017-12842",
  "modified": "2026-04-01T23:09:32.867718667Z",
  "published": "2020-03-16T20:15:12.423Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://bitslog.wordpress.com/2018/06/09/leaf-node-weakness-in-bitcoin-merkle-tree-design/"
    },
    {
      "type": "ADVISORY",
      "url": "https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-February/016697.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}