Your submission was sent successfully! Close

USN-3011-1: HAProxy vulnerability

20 June 2016

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



  • haproxy - fast and reliable load balancing reverse proxy


Falco Schmutz discovered that HAProxy incorrectly handled the reqdeny
filter. A remote attacker could use this issue to cause HAProxy to crash,
resulting in a denial of service.

Update instructions

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

Ubuntu 16.04

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