Bug ID 639565: Core when accessing MQTT::Type after drop

Last Modified: Jul 18, 2026

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
13.0.0, 13.0.0 hf1, 13.0.0 hf2, 13.0.0 hf3, 13.0.1

Opened: Jan 16, 2017

Severity: 2-Critical

Symptoms

Core when accessing NULL MQTT::Type after drop.

Impact

tmm cores. Traffic disrupted while TMM restarts.

Conditions

iRule configured with NULL MQTT::Type and a MQTT::drop.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips