What’s Vulnerable › Vulnerabilities

CVE-2004-1291

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2005-01-10 · updated 2026-06-16

Description

Buffer overflow in qwik-smtpd allows remote attackers to use the server as an SMTP spam relay via a long HELO command, which overwrites the adjacent localIP data buffer.

Affected products

• Amir Malik Qwik Smtpd: all versions

References

• http://tigger.uic.edu/~jlongs2/holes/qwik-smtpd.txt
• https://exchange.xforce.ibmcloud.com/vulnerabilities/18555
• http://tigger.uic.edu/~jlongs2/holes/qwik-smtpd.txt
• https://exchange.xforce.ibmcloud.com/vulnerabilities/18555

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