The web server on the remote host is affected by multiple vulnerabilities.
The remote web server is running nginx, a lightweight, high performance web server / reverse proxy and email (IMAP/POP3) proxy. According to its Server response header, the installed version of nginx is affected by multiple vulnerabilities : - A remote buffer overflow attack related to its parsing of complex URIs. - A remote denial of service attack related to its parsing of HTTP request headers.
Upgrade to version 0.8.15, 0.7.62, 0.6.39, 0.5.38, or later.