Bug ID 460265: APMD crash on some string operations in Tcl expressions.

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5

Fixed In:
11.6.0, 11.5.1 HF6, 11.4.1 HF9

Opened: May 02, 2014

Severity: 2-Critical

Symptoms

APMD crash on Tcl expression evaluation on trying to read a session variable

Impact

APMD core and access policy execution fails.

Conditions

Null tcl interpreter object may cause expression evaluation to fail.

Workaround

this issue has no workaround.

Fix Information

apmd crashes with null tcl interpreter object. This is now fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips