Security advisory

{
  "id": "69a83e4df9992644535c473faa4f1ed894d38b9b9cd287a17f79bbb1aca619c1",
  "url": "https://osv.dev/vulnerability/CVE-2024-34478",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-34478",
    "summary": "btcd before 0.24.0 does not correctly implement the consensus rules outlined in BIP 68 and BIP 112, making it susceptible to consensus failures. Specifically, it uses the transaction version as a signed integer when it is supposed to be treated as unsigned. There can be a chain split and loss of funds.",
    "evidence": "osv:CVE-2024-34478",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-34478",
      "aliases": [
        "CVE-2024-34478",
        "GHSA-3jgf-r68h-xfqm",
        "GO-2024-2818"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/btcsuite/btcd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b1b94202082b8e22160df31349992f37fb360f75"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.24.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "cpe": "cpe:2.3:a:btcd_project:btcd:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.24.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "btcutil/v1.1.5",
            "btcutil/psbt/v1.1.9",
            "btcutil/v1.1.4",
            "chaincfg/chainhash/v1.1.0",
            "btcutil/psbt/v1.1.8",
            "btcutil/psbt/v1.1.7",
            "chaincfg/chainhash/v1.0.2",
            "btcutil/v1.1.3",
            "btcec/v2.3.2",
            "btcutil/v1.1.2",
            "btcutil/psbt/v1.1.5",
            "btcec/v2.2.1",
            "v0.23.4",
            "btcec/v2.3.1",
            "btcutil/psbt/v1.1.6",
            "v0.23.3",
            "btcec/v2.3.0",
            "v0.23.2",
            "v0.23.1",
            "v0.23.0",
            "btcutil/psbt/v1.1.4",
            "btcec/v2.2.0",
            "btcutil/psbt/v1.1.3",
            "v0.22.0-beta",
            "btcutil/psbt/v1.1.2",
            "chaincfg/chainhash/v1.0.1",
            "btcec/v2.1.3",
            "btcutil/v1.1.1",
            "btcutil/psbt/v1.1.1",
            "btcec/v2.1.2",
            "btcutil/v1.1.0",
            "btcutil/psbt/v1.1.0",
            "btcec/v2.1.0",
            "btcec/v2.0.0",
            "btcutil/v1.0.0",
            "btcutil/psbt/v1.0.0",
            "v0.21.0-beta",
            "v0.20.1-beta",
            "v0.20.0-beta",
            "BTCD_0_12_0_BETA",
            "BTCD_0_11_1_BETA",
            "BTCD_0_11_0_BETA",
            "BTCD_0_10_0_BETA",
            "BTCD_0_9_0_BETA",
            "BTCD_0_8_0_BETA",
            "BTCD_0_7_0_ALPHA",
            "BTCD_0_6_0_ALPHA",
            "BTCD_0_5_0_ALPHA",
            "BTCD_0_4_0_ALPHA",
            "BTCD_0_3_3_ALPHA",
            "BTCD_0_3_2_ALPHA",
            "BTCD_0_3_1_ALPHA",
            "BTCD_0_3_0_ALPHA"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-34478.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.848096174Z",
      "provider": "osv",
      "references": [
        "https://delvingbitcoin.org/t/disclosure-btcd-consensus-bugs-due-to-usage-of-signed-transaction-version/455",
        "https://github.com/btcsuite/btcd/blob/e4c88c3a3ecb1813529bf3dddc7a865bd418a6b8/blockchain/chain.go#L383C1-L392C3",
        "https://github.com/btcsuite/btcd/blob/e4c88c3a3ecb1813529bf3dddc7a865bd418a6b8/txscript/opcode.go#L1172C1-L1178C3",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34478.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-34478"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34478.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-34478",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521656,
  "published_at": "2024-05-05T00:00:00+00:00"
}