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    Vulnerabilities: 2
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    CVE-2007-6573

    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.

    Last Modified: Apr 23, 2026
    Published: Dec 28, 2007

    CVE-2006-5551

    Stack-based buffer overflow in QK SMTP 3.01 and earlier might allow remote attackers to execute arbitrary code via a long argument to the RCPT TO command.

    Last Modified: Apr 23, 2026
    Published: Oct 26, 2006
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