Ben Reeves

**Name of the Vulnerable Software and Affected Versions** bitcoind versions prior to 0.4.4 Bitcoin-Qt versions prior to 0.4.4 wxBitcoin versions prior to 0.4.4 **Description** The issue allows remote attackers to cause a denial of service by creating a duplicate coinbase transaction, resulting in an unspendable transaction. This occurs due to improper handling of multiple transactions with the same identifier. **Recommendations** For bitcoind versions prior to 0.4.4, update to version 0.4.4 or later to resolve the issue. For Bitcoin-Qt versions prior to 0.4.4, update to version 0.4.4 or later to resolve the issue. For wxBitcoin versions prior to 0.4.4, update to version 0.4.4 or later to resolve the issue.