Heap-based buffer overflow in compression-pointer processing in core/ngx_resolver.c in nginx before 1.0.10 allows remote resolvers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a long response.
http://www.securityfocus.com/bid/50710
http://www.nginx.org/en/CHANGES-1.0
http://trac.nginx.org/nginx/changeset/4268/nginx
http://security.gentoo.org/glsa/glsa-201203-22.xml
http://secunia.com/advisories/48577
http://secunia.com/advisories/47097
http://openwall.com/lists/oss-security/2011/11/17/8
http://openwall.com/lists/oss-security/2011/11/17/10
http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00005.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070569.html