CVE-2012-2459: Bitcoin Core

Medium severity, CVSS 5.0. EPSS: 3.1% chance of exploitation in the next 30 days.

Unspecified vulnerability in bitcoind and Bitcoin-Qt before 0.4.6, 0.5.x before 0.5.5, 0.6.0.x before 0.6.0.7, and 0.6.x before 0.6.2 allows remote attackers to cause a denial of service (block-processing outage and incorrect block count) via unknown behavior on a Bitcoin network.

Affected products

• Bitcoin Bitcoin Core: up to and including 0.4.5; version 0.3.4 only; version 0.3.5 only; version 0.3.8 only; version 0.3.10 only; version 0.3.11 only; …

Published 2012-08-06. Last modified 2026-06-16.