USN-5042-1: HAProxy vulnerabilities

17 August 2021

Several security issues were fixed in HAProxy.

Releases

Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

It was discovered that HAProxy incorrectly handled the HTTP/2 protocol. A
remote attacker could possibly use this issue to bypass restrictions.

Update instructions

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

Ubuntu 21.04
Ubuntu 20.04

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