CVE-2006-2489: Nagios

High severity, CVSS 7.5. EPSS: 5.4% chance of exploitation in the next 30 days.

Integer overflow in CGI scripts in Nagios 1.x before 1.4.1 and 2.x before 2.3.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a content length (Content-Length) HTTP header. NOTE: this is a different vulnerability than CVE-2006-2162.

Affected products

• Nagios Nagios: version 1.0 only; version 1.0b1 only; version 1.0b2 only; version 1.0b3 only; version 1.0b4 only; version 1.0b5 only; …

Published 2006-05-19. Last modified 2026-06-16.