NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is being fronted by a load balancer.
{ "urgency": "low" }
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-20372.json"