CVE-2002-2251: Marcos Luiz Onisto Lib Cgi

High severity, CVSS 10.0. EPSS: 6.6% chance of exploitation in the next 30 days.

Buffer overflow in the changevalue function in libcgi.h for Marcos Luiz Onisto Lib CGI 0.1 allows remote attackers to execute arbitrary code via a long argument.

Affected products

Published 2002-12-31. Last modified 2026-06-16.