Bug ID 441636: Local traffic policy http-reply redirect leaks 'tcl (variable)' memory

Last Modified: Oct 16, 2023

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

Known Affected Versions:
11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF6

Opened: Dec 26, 2013

Severity: 2-Critical

Related Article: K15245

Symptoms

Local traffic policy http-reply redirect leaks 'tcl (variable)' memory.

Impact

TMM leaks memory, which eventually leads to connections being removed prematurely.

Conditions

The leak occurs when: - Local traffic policy applied to a virtual server. - Local traffic policy uses bracket expansion to execute particular iRule expressions, e.g. [HTTP::host] or [HTTP::uri].

Workaround

Use an iRule to perform the required operation instead.

Fix Information

Local traffic policy http-reply redirect no longer leaks "tcl (variable)" memory.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips