CVE-2006-0734: Valve Software Half-Life Cstrike Dedicated Server

Medium severity, CVSS 4.0. EPSS: 2.6% chance of exploitation in the next 30 days.

The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.6 and earlier allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a backslash character at the end of a connection string to UDP port 27015.

Affected products

• Valve Software Half-Life Cstrike Dedicated Server: up to and including 1.6_linux; up to and including 1.6_windows

Published 2006-02-16. Last modified 2026-06-16.