Bug ID 472040: Improper ACCESS::session iRule argument parsing.

Last Modified: Aug 19, 2026

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

Known Affected Versions:
11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1, 11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Fixed In:
11.6.0

Opened: Jul 16, 2014

Severity: 2-Critical

Related Article: K17193

Symptoms

The ACCESS::session iRule argument is parsed incorrectly and causes TMM to crash.

Impact

TMM cores.

Conditions

ACCESS::session iRule command is being used on a BIG-IP system which contains BZ 455113 fix.

Workaround

This issue has no workaround at this time.

Fix Information

TMM with BZ 455113 no longer crashes when using ACCESS::session iRule comamnd.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips