CVE-2024-52914: Bitcoin Core

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

In Bitcoin Core before 0.18.0, a node could be stalled for hours when processing the orphans of a crafted unconfirmed transaction.

Affected products

• Bitcoin Bitcoin Core: before 0.18.0 (fixed in 0.18.0)

Published 2024-11-18. Last modified 2026-06-17.