CVE-2007-5713: Amxmodx Amx Mod X

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

Off-by-one error in the GeoIP module in the AMX Mod X 1.76d plugin for Half-Life Server might allow attackers to execute arbitrary code or cause a denial of service via unspecified input related to geolocation, which triggers an error message from the (1) geoip_code2 or (2) geoip_code3 function, leading to a buffer overflow.

Affected products

• Amxmodx Amx Mod X: version 1.76d only
• Valve Software Half-Life Dedicated Server: any version

Published 2007-10-30. Last modified 2026-06-16.