Bug ID 432543: Rewrite engine can crash in some unknown cases

Last Modified: Nov 22, 2021

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

Known Affected Versions:
11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF4, 11.4.0 HF6

Opened: Oct 02, 2013

Severity: 2-Critical


Rewrite engine can crash in some unknown cases.


- Temporary inaccessibility of web applications via rewrite engine. - Random web application malfunctions.


Unknown. It can occur randomly.



Fix Information

Fixed issue to prevent crash is event handlers are not fully initialized, usually because of lack of metadata.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips