1. Ubuntu Security Notices
  2. USN-5819-1

USN-5819-1: HAProxy vulnerability

Publication date

23 January 2023

Overview

HAProxy could be made to stop responding if it received specially crafted network traffic.

Releases

Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

It was discovered that HAProxy incorrectly handled certain messages. A
remote attacker could possibly use this issue to cause HAProxy to stop
responding, resulting in a denial of service.

It was discovered that HAProxy incorrectly handled certain messages. A
remote attacker could possibly use this issue to cause HAProxy to stop
responding, resulting in a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.10 kinetic haproxy –  2.4.18-1ubuntu1.1
22.04 jammy haproxy –  2.4.18-0ubuntu1.1
20.04 focal haproxy –  2.0.29-0ubuntu1.1

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References

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