Heap-based buffer overflow in the SPDY implementation in nginx 1.3.15 before 1.4.7 and 1.5.x before 1.5.12 allows remote attackers to execute arbitrary code via a crafted request.
http://www.securityfocus.com/bid/66537
http://mailman.nginx.org/pipermail/nginx-announce/2014/000135.html
http://lists.opensuse.org/opensuse-updates/2014-03/msg00095.html