Public bug reported:

Ubuntu 18.04 
With ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
Tests done using testssl.sh

Expected: TLS1.3 should only be enabled if the config says it should.

1.14.0-0ubuntu1.3 reports 
 SSLv2      not offered (OK)
 SSLv3      not offered (OK)
 TLS 1      offered
 TLS 1.1    offered
 TLS 1.2    offered (OK)
 TLS 1.3    not offered
 NPN/SPDY   http/1.1 (advertised)
 ALPN/HTTP2 http/1.1 (offered)

1.14.0-0ubuntu1.4 reports
 SSLv2      not offered (OK)
 SSLv3      not offered (OK)
 TLS 1      offered
 TLS 1.1    offered
 TLS 1.2    offered (OK)
 TLS 1.3    offered (OK): final
 NPN/SPDY   http/1.1 (advertised)
 ALPN/HTTP2 http/1.1 (offered)

How to revert, manually install:
wget 
http://us.archive.ubuntu.com/ubuntu/pool/main/n/nginx/libnginx-mod-http-geoip_1.14.0-0ubuntu1.3_amd64.deb
 
http://us.archive.ubuntu.com/ubuntu/pool/main/n/nginx/libnginx-mod-http-image-filter_1.14.0-0ubuntu1.3_amd64.deb
 
http://us.archive.ubuntu.com/ubuntu/pool/main/n/nginx/libnginx-mod-http-xslt-filter_1.14.0-0ubuntu1.3_amd64.deb
 
http://us.archive.ubuntu.com/ubuntu/pool/main/n/nginx/libnginx-mod-mail_1.14.0-0ubuntu1.3_amd64.deb
 
http://us.archive.ubuntu.com/ubuntu/pool/main/n/nginx/libnginx-mod-stream_1.14.0-0ubuntu1.3_amd64.deb
 
http://us.archive.ubuntu.com/ubuntu/pool/main/n/nginx/nginx-common_1.14.0-0ubuntu1.3_all.deb
 
http://us.archive.ubuntu.com/ubuntu/pool/main/n/nginx/nginx-core_1.14.0-0ubuntu1.3_amd64.deb
 
http://us.archive.ubuntu.com/ubuntu/pool/main/n/nginx/nginx_1.14.0-0ubuntu1.3_all.deb

** Affects: nginx (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: regression-update

** Tags added: regression-update

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https://bugs.launchpad.net/bugs/1840404

Title:
  [regression] 1.14.0-0ubuntu1.4 security update enables TLS1.3 without
  a choice

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