Note: This article was originally published in 2014. Some steps, commands, or software versions may have changed. Check the current General documentation for the latest information.
Changes with (http://nginx.org/ “Nginx”) 1.5.11
Below are the list of changes from the 1.5.10 release of NginX to version 1.5.11. This is provided as reference only and was obtained from: http://nginx.org/en/CHANGES
Changes with nginx 1.5.11 04 Mar 2014
*) Security: memory corruption might occur in a worker process on 32-bit
platforms while handling a specially crafted request by
ngx_http_spdy_module, potentially resulting in arbitrary code
execution (CVE-2014-0088); the bug had appeared in 1.5.10.
Thanks to Lucas Molas, researcher at Programa STIC, Fundación Dr.
Manuel Sadosky, Buenos Aires, Argentina.
*) Feature: the $ssl_session_reused variable.
*) Bugfix: the "client_max_body_size" directive might not work when
reading a request body using chunked transfer encoding; the bug had
appeared in 1.3.9.
Thanks to Lucas Molas.
*) Bugfix: a segmentation fault might occur in a worker process when
proxying WebSocket connections.
*) Bugfix: a segmentation fault might occur in a worker process if the
ngx_http_spdy_module was used on 32-bit platforms; the bug had
appeared in 1.5.10.
*) Bugfix: the $upstream_status variable might contain wrong data if the
"proxy_cache_use_stale" or "proxy_cache_revalidate" directives were
used.
Thanks to Piotr Sikora.
*) Bugfix: a segmentation fault might occur in a worker process if
errors with code 400 were redirected to a named location using the
"error_page" directive.
*) Bugfix: nginx/Windows could not be built with Visual Studio 2013.