Bug ID 651886: Certain FIX messages are dropped

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP TMOS(all modules)

Known Affected Versions:
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, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0, 12.1.5.2

Opened: Mar 16, 2017
Severity: 3-Major

Symptoms

When a FIX message is received with a length, checksum, or message type field containing leading zeros, the message may be dropped.

Impact

FIX messages from these products cannot be processed by the FIX profile in BIG-IP.

Conditions

This bug affects all FIX messages having a length (tag 9), checksum (tag 10) or message type (tag 35) field that contains at least one leading zero. Certain third-party FIX protocol implementations are known to insert leading zeros in these fields.

Workaround

None

Fix Information

Valid Financial Information eXchange protocol messages are no longer rejected

Behavior Change