[USN-4321-1] HAProxy vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Tue Apr 7 13:06:33 UTC 2020

Ubuntu Security Notice USN-4321-1
April 07, 2020

haproxy vulnerability

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

- Ubuntu 19.10
- Ubuntu 18.04 LTS


HAProxy could be made to execute arbitrary code if it received a specially crafted HTTP/2 request.

Software Description:
- haproxy: fast and reliable load balancing reverse proxy


Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests.
An attacker could possibly use this to execute arbitrary code.

Update instructions:

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

Ubuntu 19.10:
  haproxy                         2.0.5-1ubuntu0.4

Ubuntu 18.04 LTS:
  haproxy                         1.8.8-1ubuntu0.10

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


Package Information:
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