CVE-2013-7205: Nagios

Medium severity, CVSS 6.4. EPSS: 4.1% chance of exploitation in the next 30 days.

Off-by-one error in the process_cgivars function in contrib/daemonchk.c in Nagios Core 3.5.1, 4.0.2, and earlier allows remote authenticated users to obtain sensitive information from process memory or cause a denial of service (crash) via a long string in the last key value in the variable list, which triggers a heap-based buffer over-read.

Affected products

• Nagios Nagios: up to and including 4.0.2; version 3.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; …

Published 2014-01-15. Last modified 2026-06-17.