CVE-2018-6534: Icinga

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.

Affected products

• Icinga Icinga: from 2.0.0, up to and including 2.8.1

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