CVE-2000-0564: Mirabilis Icq

Medium severity, CVSS 5.0. EPSS: 1.3% chance of exploitation in the next 30 days.

The guestbook CGI program in ICQ Web Front service for ICQ 2000a, 99b, and others allows remote attackers to cause a denial of service via a URL with a long name parameter.

Affected products

• Mirabilis Icq: version 0.99b_1.1.1.1 only; version 0.99b_v.3.19 only; version 98.0a only; version 99a_2.15build1701 only; version 99a_2.21build1800 only; version 2000.0a only

Published 2000-05-29. Last modified 2026-06-16.