[USN-5042-1] HAProxy vulnerabilities
marc.deslauriers at canonical.com
Tue Aug 17 17:29:09 UTC 2021
Ubuntu Security Notice USN-5042-1
August 17, 2021
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.04
- Ubuntu 20.04 LTS
Several security issues were fixed in HAProxy.
- haproxy: fast and reliable load balancing reverse proxy
It was discovered that HAProxy incorrectly handled the HTTP/2 protocol. A
remote attacker could possibly use this issue to bypass restrictions.
The problem can be corrected by updating your system to the following
Ubuntu 20.04 LTS:
In general, a standard system update will make all the necessary changes.
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