CVE-2002-1661: Leafnode

Medium severity, CVSS 5.0. EPSS: 2.3% chance of exploitation in the next 30 days.

The leafnode server in leafnode 1.9.20 to 1.9.29 allows remote attackers to cause a denial of service (infinite loop) when leafnode requests a cross-posted article to one group whose name is a prefix of another group.

Affected products

• Leafnode Leafnode: version 1.9.19 only; version 1.9.20 only; version 1.9.21 only; version 1.9.22 only; version 1.9.23 only; version 1.9.24 only; …

Published 2002-12-31. Last modified 2026-06-16.