Bug ID 705503: Context leaked from iRule DNS lookup

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3,,,,,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,

Fixed In:

Opened: Feb 05, 2018

Severity: 3-Major


The memory usage increases, and stats are inaccurate.


Memory leak that accumulates over time and inaccurate stats.


Call RESOLV::lookup from an iRule.


There is no workaround other than not using RESOLV::lookup in an iRule.

Fix Information

Memory leak no longer occurs.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips