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, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1

Fixed In:
17.0.0, 16.1.2.2, 15.1.5.1

Opened: Dec 10, 2021
Severity: 3-Major

Symptoms

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.

Impact

A compressed empty block is added to the response message.

Conditions

-- 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).

Workaround

N/A

Fix Information

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

Behavior Change