Bug ID 667405: Fragemented IPsec encrypted packets with fragmented original payloads may cause memory leak in the TMM.

Last Modified: Aug 19, 2026

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

Known Affected Versions:
12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4, 12.1.0, 12.1.0 hf1, 12.1.0 hf2, 12.1.1, 12.1.1 hf1, 12.1.1 hf2, 12.1.2, 12.1.2 hf1, 12.1.2 hf2, 12.1.3, 12.1.3.1, 13.0.0, 13.0.0 hf1, 13.0.0 hf2, 13.0.0 hf3, 13.0.1

Fixed In:
13.1.0, 12.1.3.2

Opened: Jun 01, 2017

Severity: 2-Critical

Related Article: K61251939

Symptoms

When the BIG-IP system receives fragmented IPsec encrypted packets that contain fragmented IP packets, memory leaks may occur in the TMM.

Impact

Memory leak in the TMM.

Conditions

The BIG-IP system receives fragmented IPsec encrypted packets that contain fragmented IP packets.

Workaround

None.

Fix Information

No memory leak in the TMM.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips