Bug ID 639617: When AVR collect Page load time and/or session data the Content-Length can be set incorrectly

Last Modified: Dec 20, 2018

Bug Tracker

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 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

Fixed In:

Opened: Jan 16, 2017
Severity: 3-Major


When the analytics profile with 'Page Load Time' and 'User Sessions' options is attached to a virtual server, sometimes it can incorrectly modify Content-Length for HTML responses. This might happen due to memory corruption.


The response 'Content-Length' can be wrong.


AVR collect session and/or 'page load time' statistic.


Uncheck collect 'Page load time' and sessions on analytics profile.

Fix Information

Potential memory corruption has been fixed. AVR sets the 'Content-Length' to the right value.

Behavior Change