Bug ID 632546: Window.error handler is called when alert size is too large

Last Modified: Apr 19, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP FPS(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,,,,,,,, 12.1.4,, 12.1.5,,,, 12.1.6

Opened: Dec 08, 2016
Severity: 4-Minor


When large HTML code is attached to alerts, the page's Window.error handler may be called.


onError handler will be called.


"attach HTML to alerts" is enabled. The page's JavaScript assigns an "onError" listener on the window object.


Disable "attach HTML to alerts" on affected pages.

Fix Information


Behavior Change