USN-3663-1: HAProxy vulnerability

30 May 2018

haproxy vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 18.04 LTS


HAProxy could be made to expose sensitive information over the network.

Software Description

  • haproxy - fast and reliable load balancing reverse proxy


It was discovered that HAProxy incorrectly handled certain resquests. An attacker could possibly use this to expose sensitive information.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04 LTS
haproxy - 1.8.8-1ubuntu0.1

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.