CVE-2005-1513

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2005-05-11 · updated 2026-06-16
Weakness: CWE-190

Description

Integer overflow in the stralloc_readyplus function in qmail, when running on 64 bit platforms with a large amount of virtual memory, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large SMTP request.

Affected products

Canonical Ubuntu Linux: 20.04
Debian Linux: 8.0, 9.0, 10.0
Qmail Project Qmail: all versions

References

http://archives.neohapsis.com/archives/fulldisclosure/2005-05/0101.html
http://packetstormsecurity.com/files/157805/Qualys-Security-Advisory-Qmail-Remote-Code-Execution.html
http://packetstormsecurity.com/files/158203/Qmail-Local-Privilege-Escalation-Remote-Code-Execution.html
http://packetstormsecurity.com/files/172804/RenderDoc-1.26-Local-Privilege-Escalation-Remote-Code-Execution.html
http://seclists.org/fulldisclosure/2020/Jun/27
http://seclists.org/fulldisclosure/2020/May/42
http://seclists.org/fulldisclosure/2023/Jun/2
http://securitytracker.com/id?1013911
http://www.guninski.com/where_do_you_want_billg_to_go_today_4.html
http://www.openwall.com/lists/oss-security/2020/05/19/8
http://www.openwall.com/lists/oss-security/2020/05/20/2
http://www.openwall.com/lists/oss-security/2020/05/20/5

Get alerted when CVE-2005-1513 or the next vulnerability affects your stack