Bug ID 757391: datagroup iRule command class can lead to memory corruption

Last Modified: Feb 26, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3,,,,,,,, 12.1.4, 13.1.0,,,,,,,,, 13.1.1,,,,, 14.1.0,,

Opened: Feb 01, 2019
Severity: 2-Critical


When using the iRule command to access datagroups within a foreach loop memory can be corrupted and tmm can crash.


Traffic disrupted while tmm restarts.


A [class] command used within a foreach loop


no workarround aside from removing that iRule.

Fix Information


Behavior Change