CVE-2001-0358: Sierra Half-Life

High severity, CVSS 7.5. EPSS: 3.2% chance of exploitation in the next 30 days.

Buffer overflows in Sierra Half-Life build 1573 and earlier allow remote attackers to execute arbitrary code via (1) a long map command, (2) a long exec command, or (3) long input in a configuration file.

Affected products

• Sierra Half-Life: up to and including 1573
• Valve Software Half-Life: up to and including 1573

Published 2001-06-27. Last modified 2026-06-16.