Bug ID 472148: Highly fragmented SSL records can result in bad record errors on Nitrox based systems

Last Modified: Aug 19, 2026

Affected Product(s):
BIG-IP LTM(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, 11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Fixed In:
12.0.0, 11.5.2

Opened: Jul 17, 2014

Severity: 3-Major

Related Article: K16410

Symptoms

If a highly fragmented SSL record is decrypted by a system with a Cavium Nitrox card, the system will incorrectly respond with a bad SSL record error.

Impact

Lost SSL connections.

Conditions

Highly fragmented SSL records and a system with a Cavium Nitrox card.

Workaround

This issue has no workaround at this time.

Fix Information

The Nitrox driver was updated to properly handle highly fragmented SSL records.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips