Catch up on the latest product updates, best practices, and expert insights from the Checkmk Conference #12 – Watch the livestream recordings now
back to website

Werk #19591: Fixed crashes while reading Livestatus commands

Component Livestatus
Title Fixed crashes while reading Livestatus commands
Date Sep 1, 2026
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
3.0.0b1
Not yet released 		Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.5.0p13 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.4.0p37 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.3.0p50 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

The Livestatus code for reading commands contained a few places where undefined behaviour in the standard libraries was triggered. Depending on the compiler/platform used, this could lead to crashes and/or weird behaviour.

To the list of all Werks