{"id":"CVE-1999-1581","aliases":["EUVD-1999-1562","GHSA-hhg9-7r53-5rpr"],"status":"published","title":"Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0...","description":"Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.20639,"percentile":0.97554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1997-12-23T05:00:00Z","modified":"2026-06-16T21:50:46Z","products":[{"vendor":"microsoft","product":"windows_nt"}],"references":[{"url":"http://support.microsoft.com/kb/q178381/","tags":["vendor-advisory","x_refsource_MSKB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/8231","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/4923","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1581"},{"url":"http://support.microsoft.com/kb/q178381"},{"url":"https://github.com/advisories/GHSA-hhg9-7r53-5rpr"}],"sources":{"cve":[{"id":"CVE-1999-1581","description":"Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.","status":"published","published":"2005-04-21T04:00:00Z","modified":"2024-08-01T17:18:07.55Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1562","description":"Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.","status":"published","published":"2005-04-21T04:00:00Z","modified":"2024-08-01T17:18:07Z","updated_at":"2026-11-03T03:50:41.965248Z"}],"ghsa":[{"id":"GHSA-hhg9-7r53-5rpr","title":"Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0...","description":"Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.","status":"published","published":"2022-04-30T18:12:45Z","modified":"2025-04-03T03:33:15Z","updated_at":"2026-11-02T15:00:36.60124Z"}],"nvd":[{"id":"CVE-1999-1581","description":"Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.","status":"published","published":"1997-12-23T05:00:00Z","modified":"2026-06-16T21:50:46.05Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T13:58:19.254283Z"}]}}