CVE-2002-0251: Licq

High severity, CVSS 7.5. EPSS: 3.5% chance of exploitation in the next 30 days.

Buffer overflow in licq 1.0.4 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string of format string characters such as "%d".

Affected products

• Licq Licq: version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only

Published 2002-05-29. Last modified 2026-06-16.