CVE-2018-6532: Icinga

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted (authenticated and unauthenticated) requests, an attacker can exhaust a lot of memory on the server side, triggering the OOM killer.

Affected products

• Icinga Icinga: from 2.0.0, up to and including 2.8.0

Published 2018-02-27. Last modified 2026-06-17.