What problem/issue/behavior are you having trouble with? What do you expect to see?
For the latest version of Quay image still using Nginx version 1.14.1, according to Nginx Security Advisories, the version of Nginx is Vulnerable to CVE-2019-9511, CVE-2019-9513, and CVE-2019-9516, but our 3.1.1 release note stated 'Updated SCL rh-nginx112 (related to CVE-2019-9511, CVE-2019-9513, CVE-2019-9516)'.

Nginx Security Advisories:

http://nginx.org/en/security_advisories.html

Release Notes:

https://access.redhat.com/documentation/en-us/red_hat_quay/3/html-single/red_hat_quay_release_notes#rn-3-101

What is the business impact? Please also provide timeframe information.
Security Issue