Bug ID 483353: HTTP compression might cause TMM crash in low-memory conditions

Last Modified: Oct 06, 2020

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

Fixed In:
12.0.0, 11.6.0 HF5

Opened: Oct 08, 2014
Severity: 3-Major
Related AskF5 Article:


TMM might crash in HTTP compression in low-memory conditions when unable to initialize the compression provider.


Traffic disrupted while tmm restarts.


HTTP compression is configured and TMM is low on memory.


Remove HTTP compression from the virtual to avoid the issue.

Fix Information

HTTP compression now gracefully handles failed compression provider initialization.

Behavior Change