{"id":"CVE-2009-1928","aliases":["EUVD-2009-1923","GHSA-wjqq-crmc-62qj"],"status":"published","title":"Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000...","description":"Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka \"LSASS Recursive Stack Overflow Vulnerability.\"","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.3002,"percentile":0.9822,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2009-11-11T19:00:00Z","modified":"2026-06-16T23:08:22Z","products":[{"vendor":"microsoft","product":"windows_2000"},{"vendor":"microsoft","product":"windows_2003_server"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_vista"},{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5890","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-314A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-066","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1928"},{"url":"https://github.com/advisories/GHSA-wjqq-crmc-62qj"}],"sources":{"cve":[{"id":"CVE-2009-1928","description":"Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka \"LSASS Recursive Stack Overflow Vulnerability.\"","status":"published","published":"2009-11-11T19:00:00Z","modified":"2024-08-07T05:27:54.87Z","updated_at":"2026-11-02T14:33:25.516454Z"}],"euvd":[{"id":"EUVD-2009-1923","description":"Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka \"LSASS Recursive Stack Overflow Vulnerability.\"","status":"published","published":"2009-11-11T19:00:00Z","modified":"2024-08-07T05:27:54Z","updated_at":"2026-11-03T01:39:19.419771Z"}],"ghsa":[{"id":"GHSA-wjqq-crmc-62qj","title":"Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000...","description":"Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka \"LSASS Recursive Stack Overflow Vulnerability.\"","status":"published","published":"2022-05-02T03:29:58Z","modified":"2023-01-31T05:07:18Z","updated_at":"2026-11-02T14:49:11.285449Z"}],"nvd":[{"id":"CVE-2009-1928","description":"Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka \"LSASS Recursive Stack Overflow Vulnerability.\"","status":"published","published":"2009-11-11T19:30:00.267Z","modified":"2026-06-16T23:08:22.63Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:37.939838Z"}]}}