Bug ID 436201: JavaScript can misbehave in case of the 'X-UA-Compatible' META tag when a client uses IE11

Last Modified: Feb 13, 2019

Bug Tracker

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

Known Affected Versions:
10.2.4, 11.0.0, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 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, 11.5.2, 11.5.2 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.3, 11.4.1 HF9

Opened: Oct 31, 2013
Severity: 3-Major
Related AskF5 Article:
K16109

Symptoms

JavaScript can misbehave when encountering the 'X-UA-Compatible' META tag from clients using Microsoft Internet Explorer 11.

Impact

Web application malfunction.

Conditions

Internet Explorer 11 and meta http-equiv='X-UA-Compatible' content='IE=10'.

Workaround

Use an iRule.

Fix Information

JavaScript now correctly handles the X-UA-Compatible meta tag from clients using Microsoft Internet Explorer 11.

Behavior Change