CVEvulnerability
CVE-2024-34478
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-436
Description
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.
Affected configurations
• btcd project btcd (< 0.24.0)
Related
Weakness · CWE (1)
- CWE-436 Interpretation Conflict weakness
References
- https://delvingbitcoin.org/t/disclosure-btcd-consensus-bugs-due-to-usage-of-signed-transaction-version/455 Issue Tracking
- https://github.com/btcsuite/btcd/blob/e4c88c3a3ecb1813529bf3dddc7a865bd418a6b8/blockchain/chain.go#L383C1-L392C3 Product
- https://github.com/btcsuite/btcd/blob/e4c88c3a3ecb1813529bf3dddc7a865bd418a6b8/txscript/opcode.go#L1172C1-L1178C3 Product
- https://delvingbitcoin.org/t/disclosure-btcd-consensus-bugs-due-to-usage-of-signed-transaction-version/455 Issue Tracking
- https://github.com/btcsuite/btcd/blob/e4c88c3a3ecb1813529bf3dddc7a865bd418a6b8/blockchain/chain.go#L383C1-L392C3 Product
- https://github.com/btcsuite/btcd/blob/e4c88c3a3ecb1813529bf3dddc7a865bd418a6b8/txscript/opcode.go#L1172C1-L1178C3 Product