{"api_version":"1","generated_at":"2026-07-23T09:21:14+00:00","cve":"CVE-2013-3220","urls":{"html":"https://cve.report/CVE-2013-3220","api":"https://cve.report/api/cve/CVE-2013-3220.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2013-3220","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-3220"},"summary":{"title":"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.","state":"PUBLISHED","assigner":"mitre","published_at":"2013-08-02 12:10:40","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-399","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"6.4","severity":"","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:P","baseScore":6.4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}}],"references":[{"url":"https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures","name":"https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"200","archivestatus":"200"},{"url":"https://en.bitcoin.it/wiki/BIP_0050","name":"https://en.bitcoin.it/wiki/BIP_0050","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"BIP 0050 - 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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.","Type":"Description","Title":"CVE-2013-3220"},{"CveYear":"2013","CveId":"3220","Ordinal":"2","NoteData":"2013-08-01","Type":"Other","Title":"Published"}]}}}