Werk #22744: fireeye_bypass: don't crash on an empty SNMP reply

Component

Checks & agents

Title

fireeye_bypass: don't crash on an empty SNMP reply

Date

Oct 15, 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
2.5.0p18 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.4.0p39	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

The Bypass Mail Rate service of FireEye appliances crashed with IndexError: list index out of range if the device returned no value for the bypass e-mail counter.

An empty reply is now handled like missing monitoring data instead of crashing the check.

To the list of all Werks