CVE-1999-1511: Artisoft Xtramail

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

Buffer overflows in Xtramail 1.11 allow attackers to cause a denial of service (crash) and possibly execute arbitrary commands via (1) a long PASS command in the POP3 service, (2) a long HELO command in the SMTP service, or (3) a long user name in the Control Service.

Affected products

• Artisoft Xtramail: version 1.11 only

Published 1999-11-10. Last modified 2026-06-16.