CVE-2024-34478: Btcd Project Btcd

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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 products

• Btcd Project Btcd: before 0.24.0 (fixed in 0.24.0)

Published 2024-05-05. Last modified 2026-06-17.