Bug ID 1932161: PEM iRule usage memory leak

Last Modified: May 14, 2026

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

Fixed In:
21.0.0.1, 17.5.1.4, 17.1.3.1

Opened: Apr 24, 2025

Severity: 3-Major

Symptoms

When using PEM iRules there is a chance of a memory leak

Impact

TMM memory leak

Conditions

Using PEM iRules

Workaround

None

Fix Information

No more memory leak

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips