Bug ID 1067197: Empty compressed data may be added to a HTTP response that has no body.

Last Modified: Jan 01, 2023

Bug Tracker

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

Known Affected Versions:
15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5, 16.0.0,, 16.0.1,,, 16.1.0, 16.1.1, 16.1.2,

Fixed In:

Opened: Dec 10, 2021
Severity: 3-Major


Empty (zero length) data is appended to a HTTP response message which originally has only a header no message body e.g. HTTP 304 response.


A compressed empty block is added to the response message.


-- Transmitted HTTP message needs to contain no body (e.g HTTP 304 response). -- Virtual Server uses Rewrite profile is used. -- Virtual Server uses HTTP Compression profile is used. -- HTTP client needs to accept compressed data (e.g. Accept-Encoding: gzip,deflate).



Fix Information

No additional compressed data is appended to messages containing no body.

Behavior Change