{"id":"CVE-2007-6573","aliases":["EUVD-2007-6539","GHSA-phxv-6mj6-69g6"],"status":"published","title":"QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long ...","description":"QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the DATA command; possibly a related issue to CVE-2006-5551.","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":"2026-11-06","score":0.01612,"percentile":0.76067,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2007-12-28T21:00:00Z","modified":"2026-06-16T22:48:21Z","products":[{"vendor":"qksoft","product":"qk_smtp_server_3"}],"references":[{"url":"http://securityreason.com/securityalert/3494","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://osvdb.org/43533","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/485026/100/100/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-6573"},{"url":"https://github.com/advisories/GHSA-phxv-6mj6-69g6"}],"sources":{"cve":[{"id":"CVE-2007-6573","description":"QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the DATA command; possibly a related issue to CVE-2006-5551.","status":"published","published":"2007-12-28T21:00:00Z","modified":"2024-08-07T16:11:06.036Z","updated_at":"2026-11-02T13:33:07.91528Z"}],"euvd":[{"id":"EUVD-2007-6539","description":"QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the DATA command; possibly a related issue to CVE-2006-5551.","status":"published","published":"2007-12-28T21:00:00Z","modified":"2024-08-07T16:11:06Z","updated_at":"2026-11-03T01:16:12.278875Z"}],"ghsa":[{"id":"GHSA-phxv-6mj6-69g6","title":"QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long ...","description":"QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the DATA command; possibly a related issue to CVE-2006-5551.","status":"published","published":"2022-05-01T18:44:27Z","modified":"2023-01-31T05:05:08Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:48:47.703585Z"}],"nvd":[{"id":"CVE-2007-6573","description":"QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the DATA command; possibly a related issue to CVE-2006-5551.","status":"published","published":"2007-12-28T21:46:00Z","modified":"2026-06-16T22:48:21.503Z","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-20"],"updated_at":"2026-11-02T14:01:24.110006Z"}]}}