Bug ID 428327: BD may crash on VIPRION anomaly events sync.

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF2, 11.4.0 HF4, 11.3.0 HF8, 11.2.1 HF10

Opened: Aug 20, 2013

Severity: 3-Major

Related Article: K16871115


BD may crash on VIPRION anomaly events sync.


The BIG-IP system may temporarily fail to process traffic.


1. Enabled Brute Force or Web Scrapping on VIPRION machines. 2. upon connection and disconnections of Viprion blades.


This issue has no workaround at this time.

Fix Information

We fixed an issue that happened rarely, where the Enforcer crashed after connecting and disconnecting VIPRION blades due to memory corruption.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips