Security advisory

{
  "id": "4b56b31662b02e6164b54c85f6e0705a0451484fd57b18807b3e42d412d319d6",
  "url": "https://osv.dev/vulnerability/CVE-2021-37491",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-37491",
    "summary": "An issue discovered in src/wallet/wallet.cpp in Dogecoin Project Dogecoin Core 1.14.3 and earlier allows attackers to view sensitive information via CWallet::CreateTransaction() function.",
    "evidence": "osv:CVE-2021-37491",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-37491",
      "aliases": [
        "CVE-2021-37491"
      ],
      "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": "0"
                },
                {
                  "fixed": "2fb9c1e6681370478e24a19172ed6d78d95d50d3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "2fb9c1e6681370478e24a19172ed6d78d95d50d3"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.9.0rc2",
            "noversion",
            "v0.8.0",
            "v0.9.0rc1",
            "v0.8.2",
            "v0.7.1rc1",
            "v0.7.1",
            "v0.8.2rc2",
            "v0.8.2rc3",
            "v0.8.2rc1",
            "v0.8.0rc1",
            "v0.7.0rc3",
            "v0.7.0",
            "v0.7.0rc2",
            "v0.7.0rc1",
            "v0.6.0rc6",
            "v0.6.0",
            "v0.6.1",
            "v0.5.0rc7",
            "v0.5.0",
            "v0.6.1rc2",
            "v0.6.1rc1",
            "v0.6.0rc5",
            "v0.6.0rc4",
            "v0.6.0rc3",
            "v0.4.0",
            "v0.6.0rc2",
            "v0.6.0rc1",
            "v0.5.1rc2",
            "v0.5.1",
            "v0.5.1rc1",
            "v0.5.0rc6",
            "v0.5.0rc5",
            "v0.5.0rc4",
            "v0.5.0rc2",
            "v0.5.0rc1",
            "v0.4.00rc2",
            "v0.4.00rc1",
            "v0.3.24",
            "v0.3.24rc3",
            "v0.3.24rc2",
            "v0.3.24rc1",
            "v0.3.23rc1",
            "v0.3.23",
            "v0.3.22",
            "v0.3.22rc3",
            "v0.3.22rc4",
            "v0.3.22rc2",
            "v0.3.22rc1",
            "v0.3.21",
            "v0.3.21rc",
            "v0.3.20.2_closest",
            "v0.3.20.01_closest",
            "v0.3.20",
            "v0.3.11_notexact",
            "v0.3.8",
            "v0.3.7",
            "v0.3.6",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.3.1rc1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37491.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-37491-0f3a7e1a",
                "digest": {
                  "length": 7546,
                  "function_hash": "125034056860792545625548519770753620605"
                },
                "source": "https://github.com/bitcoin/bitcoin/commit/2fb9c1e6681370478e24a19172ed6d78d95d50d3",
                "target": {
                  "file": "src/wallet/wallet.cpp",
                  "function": "CWallet::CreateTransaction"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-37491-f226be0a",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "141631597866571102610787215571298713801",
                    "300707198102548310351294567447427856382",
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                    "37292230002629892326042622733773995730",
                    "252025109684205364906881023382772671098",
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                    "85811109450452845716941420752385075013",
                    "226775650996502459306341144658670477386",
                    "57671861969212960607280541742419665002",
                    "309140562236205783584443692790075113088"
                  ]
                },
                "source": "https://github.com/bitcoin/bitcoin/commit/2fb9c1e6681370478e24a19172ed6d78d95d50d3",
                "target": {
                  "file": "src/wallet/wallet.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:12:42Z"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/dogecoin/dogecoin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "f80bfe9068ac1a0619d48dad0d268894d926941e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:dogecoin:dogecoin:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.14.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.14.3",
            "v1.14.2",
            "v1.14.1",
            "v1.14.0",
            "v1.10.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37491.json"
          }
        }
      ],
      "modified": "2026-10-20T14:12:42.905157017Z",
      "provider": "osv",
      "references": [
        "https://github.com/bitcoin/bitcoin/commit/2fb9c1e6681370478e24a19172ed6d78d95d50d3",
        "https://github.com/dogecoin/dogecoin/issues/2279",
        "https://github.com/VPRLab/BlkVulnReport/blob/main/NDSS23_BlockScope.pdf",
        "https://github.com/dogecoin/dogecoin/blob/master/src/wallet/wallet.cpp#L2628-L2640"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-37491",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388718,
  "published_at": "2023-02-07T14:15:08.557+00:00"
}