What’s Vulnerable › Vulnerabilities

CVE-2001-0964

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2001-09-20 · updated 2026-06-16

Description

Buffer overflow in client for Half-Life 1.1.0.8 and earlier allows malicious remote servers to execute arbitrary code via a long console command.

Affected products

• Valve Software Half-Life: through 1.1.0.8

References

• http://archives.neohapsis.com/archives/bugtraq/2001-09/0178.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/7148
• http://archives.neohapsis.com/archives/bugtraq/2001-09/0178.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/7148

Get alerted when CVE-2001-0964 or the next vulnerability affects your stack