Bug ID 517837: TMM may crash as a result of memory corruption in SSL processing

Last Modified: Feb 13, 2019

Bug Tracker

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3,,,,

Opened: Apr 13, 2015
Severity: 2-Critical
Related AskF5 Article:


As a result of the memory corruption, reconfiguring a virtual server with an SSL profile attached (or the virtual server changing state as a result of pool status changes) might cause TMM to crash.


Traffic disrupted while tmm restarts.


A client SSL profile is configured on a virtual server that is being reconfigured. This issue has only been seen on a VIPRION B4300 blade configured to utilize an external (network) HSM.



Fix Information


Behavior Change