Synopsis
The remote Amazon Linux 2 host is missing a security update.
Description
In Apache HTTP Server, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.(CVE-2018-11763)
Solution
Run 'yum update mod_http2' to update your system.