Werk #14682: Guard Livestatus against Nagios custom variables with an empty value.

Component Livestatus
Title Guard Livestatus against Nagios custom variables with an empty value.
Date Aug 4, 2022
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.2.0i1 2.1.0p10 2.0.0p28 1.6.0p30
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

When Nagios is configured with custom variables having an empty value, various Livestatus queries can crash the Nagios core. This has been fixed.

Reported by GitHub user ronansalmon, including a similar fix.

To the list of all Werks