{"schemaVersion":3,"id":"CVE-2006-5559","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Execute method in the ADODB.Connection 2.7 and 2.8 ActiveX control objects (ADODB.Connection.2.7 and ADODB.Connection.2.8) in the Microsoft Data Access Components (MDAC) 2.5 SP3, 2.7 SP1, 2.8, and 2.8 SP1 does not properly track freed memory when the second argument is a BSTR, which allows remote attackers to cause a denial of service (Internet Explorer crash) and possibly execute arbitrary code via certain strings in the second and third arguments.","dates":{"published":"2006-10-27T16:00:00.000Z","modified":"2024-08-07T19:55:53.686Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.3,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9.3,"severity":"high","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.43619,"percentile":0.98732,"severity":"high","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":1.7149999999999999,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.41904},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.41904,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.41904,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.41904,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.41904,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.41904,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.41904,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.41904,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.41636,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.41636,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.41636,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.43619,"percentile":0.98732}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.41904,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.41636,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.41636,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.41636,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.43619,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.43619,"percentile":0.98732}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_7281948AC6774CED","name":"Exploit Reference (securitytracker.com)","source":"reference","url":"http://securitytracker.com/id?1017127","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_C07D1F99BA040CF6","name":"Exploit Reference (securityfocus.com)","source":"reference","url":"http://www.securityfocus.com/bid/20704","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"2629","name":"Microsoft Internet Explorer - ADODB Execute Denial of Service (PoC)","source":"exploit-database","url":"https://www.exploit-db.com/exploits/2629","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":"dos","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"dos","platform":"windows","file":"exploits/windows/dos/2629.html","codes":["OSVDB-31882","CVE-2006-5559"]},"metasploit":null}],"exploitCount":3,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"microsoft","product":"data_access_components","name":"data access components","label":"data_access_components","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.5:sp3","noFixRecorded":false,"fixedIn":null},{"text":"2.8:sp1","noFixRecorded":false,"fixedIn":null},{"text":"2.8","noFixRecorded":false,"fixedIn":null},{"text":"2.7:sp1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.5:sp3 | 2.8:sp1 | 2.8 | 2.7:sp1","eol":null,"hubHref":"/vendor/microsoft/data_access_components"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://securitytracker.com/id?1017127","label":"securitytracker.com/id?1017127","hostname":"securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Exploit","Patch","Vendor Advisory"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-009","label":"docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-009","hostname":"docs.microsoft.com","tags":["Vendor Advisory","X Refsource MS"]},{"url":"http://www.securityfocus.com/bid/20704","label":"www.securityfocus.com/bid/20704","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Exploit","Patch"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A214","label":"oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A214","hostname":"oval.cisecurity.org","tags":["VDB Entry","Signature","X Refsource OVAL"]},{"url":"http://secunia.com/advisories/22452","label":"secunia.com/advisories/22452","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA07-044A.html","label":"www.us-cert.gov/cas/techalerts/TA07-044A.html","hostname":"www.us-cert.gov","tags":["Third Party Advisory","X Refsource CERT","US Government Resource"]},{"url":"http://research.eeye.com/html/alerts/zeroday/20061027.html","label":"research.eeye.com/html/alerts/zeroday/20061027.html","hostname":"research.eeye.com","tags":["X Refsource MISC","Patch"]},{"url":"http://www.kb.cert.org/vuls/id/589272","label":"www.kb.cert.org/vuls/id/589272","hostname":"www.kb.cert.org","tags":["Third Party Advisory","X Refsource CERT VN","Patch","US Government Resource"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/29837","label":"exchange.xforce.ibmcloud.com/vulnerabilities/29837","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]},{"url":"http://www.osvdb.org/31882","label":"www.osvdb.org/31882","hostname":"www.osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://blogs.technet.com/msrc/archive/2006/10/27/adodb-connection-poc-published.aspx","label":"blogs.technet.com/msrc/archive/2006/10/27/adodb-connection-poc-published.aspx","hostname":"blogs.technet.com","tags":["X Refsource MISC"]},{"url":"http://www.vupen.com/english/advisories/2007/0578","label":"www.vupen.com/english/advisories/2007/0578","hostname":"www.vupen.com","tags":["VDB Entry","X Refsource VUPEN","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2006-10-27T16:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-07T19:55:53.686Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T22:43:02.119Z","stale":false,"partial":false}}