CVE-2024-52913: Bitcoin Core

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

In Bitcoin Core before 0.21.0, an attacker could prevent a node from seeing a specific unconfirmed transaction, because transaction re-requests are mishandled.

Affected products

• Bitcoin Bitcoin Core: before 0.21.0 (fixed in 0.21.0)

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