Note: This article was originally published in 2014. Some steps, commands, or software versions may have changed. Check the current NginX documentation for the latest information.
Changes with (http://nginx.org/ “Nginx”) 1.5.12
Below are the list of changes from the 1.5.11 release of NginX to version 1.5.12. This is provided as reference only and was obtained from: http://nginx.org/en/CHANGES. This update includes a security fix so it is considered an urgent update to deploy.
Changes with nginx 1.5.12 18 Mar 2014
*) Security: a heap memory buffer overflow might occur in a worker
process while handling a specially crafted request by
ngx_http_spdy_module, potentially resulting in arbitrary code
execution (CVE-2014-0133).
Thanks to Lucas Molas, researcher at Programa STIC, Fundación Dr.
Manuel Sadosky, Buenos Aires, Argentina.
*) Feature: the "proxy_protocol" parameters of the "listen" and
"real_ip_header" directives, the $proxy_protocol_addr variable.
*) Bugfix: in the "fastcgi_next_upstream" directive.
Thanks to Lucas Molas.