NULL Pointer Dereference Affecting icinga2 package, versions <2.8.4-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Aug 2026
- disclosed27 Feb 2018
Introduced: 27 Feb 2018
CVE-2018-6534 (opens in a new tab)How to fix?
Upgrade Echo:latest icinga2 to version 2.8.4-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream icinga2 package and not the icinga2 package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
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.