{"id":"CVE-1999-1109","aliases":["EUVD-1999-1090","GHSA-jw39-vxm9-j3xr"],"status":"published","title":"Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series...","description":"Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.","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":"2026-11-10","score":0.07169,"percentile":0.94339,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"1999-12-22T05:00:00Z","modified":"2026-06-16T21:49:44Z","exploits":[{"source":"exploitdb","id":"EDB-19701","title":"Eric Allman Sendmail 8.9.1/8.9.3 - ETRN Denial of Service","type":"dos","platform":"linux","date":"1999-12-22","verified":true,"url":"https://www.exploit-db.com/exploits/19701"}],"products":[{"vendor":"sendmail","product":"sendmail"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=94632241202626\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/904","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=94780566911948\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.iss.net/security_center/static/7760.php","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1109"},{"url":"https://github.com/advisories/GHSA-jw39-vxm9-j3xr"}],"sources":{"cve":[{"id":"CVE-1999-1109","description":"Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-01T17:02:53.757Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1090","description":"Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-01T17:02:53Z","updated_at":"2026-11-03T03:50:44.304075Z"}],"ghsa":[{"id":"GHSA-jw39-vxm9-j3xr","title":"Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series...","description":"Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.","status":"published","published":"2022-04-30T18:11:49Z","modified":"2023-01-30T05:04:16Z","updated_at":"2026-11-02T14:47:00.827412Z"}],"nvd":[{"id":"CVE-1999-1109","description":"Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.","status":"published","published":"1999-12-22T05:00:00Z","modified":"2026-06-16T21:49:44.347Z","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":"2026-11-02T13:58:40.923898Z"}]}}