CVE-2007-3728: Silc Client

Medium severity, CVSS 5.0. EPSS: 2.8% chance of exploitation in the next 30 days.

Buffer overflow in lib/silcclient/client_notify.c of SILC Client and SILC Toolkit before 1.1.2 allows remote attackers to cause a denial of service via "NICK_CHANGE" notifications.

Affected products

• Silc Silc Client: version 1.1.1 only
• Silc Silc Toolkit: version 1.1.1 only

Published 2007-07-12. Last modified 2026-06-16.