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

Komponente Livestatus
Titel Guard Livestatus against Nagios custom variables with an empty value.
Datum 04.08.2022
Checkmk-Editon Checkmk Raw (CRE)
Checkmk-Version 2.2.0i1 2.1.0p10 2.0.0p28
Level Kleine Änderung
Klasse Bugfix
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen

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.

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