nginx 0.7.64 *) Security: now SSL/TLS renegotiation is disabled. Thanks to Maxim Dounin. *) Bugfix: nginx sent gzipped responses to clients those do not support gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared in 0.7.63. *) Bugfix: if names .domain.tld, .sub.domain.tld, and .domain-some.tld were defined, then the name .sub.domain.tld was matched by .domain.tld. *) Bugfix: segmentation fault and infinite looping in resolver. *) Bugfix: in resolver. Thanks to Artem Bokhan. *) Bugfix: resolver cache poisoning. Thanks to Matthew Dempsky. *) Bugfix: memory leak in resolver. Thanks to Matthew Dempsky.

--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -3512,6 +3512,12 @@ ngx_http_core_server_name(ngx_conf_t *cf
         ngx_str_t  err;
         u_char     errstr[NGX_MAX_CONF_ERRSTR];
 
+        if (value[i].len == 1) {
+            ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                               "empty regex in server name \"%V\"", &value[i]);
+            return NGX_CONF_ERROR;
+        }
+
         err.len = NGX_MAX_CONF_ERRSTR;
         err.data = errstr;