{"id":"CVE-2013-3220","aliases":["EUVD-2013-3158","GHSA-xr7c-w8xq-cg55"],"status":"published","title":"bitcoind and Bitcoin-Qt before 0.4.9rc2, 0.5.x before 0.5.8rc2, 0.6.x before 0.6.5rc2, and 0.7.x...","description":"bitcoind and Bitcoin-Qt before 0.4.9rc2, 0.5.x before 0.5.8rc2, 0.6.x before 0.6.5rc2, and 0.7.x before 0.7.3rc2, and wxBitcoin, do not properly consider whether a block's size could require an excessive number of database locks, which allows remote attackers to cause a denial of service (split) and enable certain double-spending capabilities via a large block that triggers incorrect Berkeley DB locking.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02313,"percentile":0.83548,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2013-08-01T16:00:00Z","modified":"2026-06-16T23:54:43Z","products":[{"vendor":"bitcoin","product":"bitcoin-qt"},{"vendor":"bitcoin","product":"bitcoin_core"},{"vendor":"bitcoin","product":"bitcoind"},{"vendor":"bitcoin","product":"qitcoin-qt"}],"references":[{"url":"https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://en.bitcoin.it/wiki/BIP_0050","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-3220"},{"url":"https://github.com/advisories/GHSA-xr7c-w8xq-cg55"}],"sources":{"cve":[{"id":"CVE-2013-3220","description":"bitcoind and Bitcoin-Qt before 0.4.9rc2, 0.5.x before 0.5.8rc2, 0.6.x before 0.6.5rc2, and 0.7.x before 0.7.3rc2, and wxBitcoin, do not properly consider whether a block's size could require an excessive number of database locks, which allows remote attackers to cause a denial of service (split) and enable certain double-spending capabilities via a large block that triggers incorrect Berkeley DB locking.","status":"published","published":"2013-08-01T16:00:00Z","modified":"2024-09-16T22:24:42.272Z","updated_at":"2026-11-02T14:34:56.530545Z"}],"euvd":[{"id":"EUVD-2013-3158","description":"bitcoind and Bitcoin-Qt before 0.4.9rc2, 0.5.x before 0.5.8rc2, 0.6.x before 0.6.5rc2, and 0.7.x before 0.7.3rc2, and wxBitcoin, do not properly consider whether a block's size could require an excessive number of database locks, which allows remote attackers to cause a denial of service (split) and enable certain double-spending capabilities via a large block that triggers incorrect Berkeley DB locking.","status":"published","published":"2013-08-01T16:00:00Z","modified":"2024-09-16T22:24:42Z","updated_at":"2026-11-03T00:55:03.452021Z"}],"ghsa":[{"id":"GHSA-xr7c-w8xq-cg55","title":"bitcoind and Bitcoin-Qt before 0.4.9rc2, 0.5.x before 0.5.8rc2, 0.6.x before 0.6.5rc2, and 0.7.x...","description":"bitcoind and Bitcoin-Qt before 0.4.9rc2, 0.5.x before 0.5.8rc2, 0.6.x before 0.6.5rc2, and 0.7.x before 0.7.3rc2, and wxBitcoin, do not properly consider whether a block's size could require an excessive number of database locks, which allows remote attackers to cause a denial of service (split) and enable certain double-spending capabilities via a large block that triggers incorrect Berkeley DB locking.","status":"published","published":"2022-05-13T01:27:54Z","modified":"2023-02-01T05:07:56Z","updated_at":"2026-11-02T14:50:38.356016Z"}],"nvd":[{"id":"CVE-2013-3220","description":"bitcoind and Bitcoin-Qt before 0.4.9rc2, 0.5.x before 0.5.8rc2, 0.6.x before 0.6.5rc2, and 0.7.x before 0.7.3rc2, and wxBitcoin, do not properly consider whether a block's size could require an excessive number of database locks, which allows remote attackers to cause a denial of service (split) and enable certain double-spending capabilities via a large block that triggers incorrect Berkeley DB locking.","status":"published","published":"2013-08-02T12:10:40.467Z","modified":"2026-06-16T23:54:43.243Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:31.592595Z"}]}}