Index: httpd-2.4.10/CHANGES
===================================================================
--- httpd-2.4.10.orig/CHANGES
+++ httpd-2.4.10/CHANGES
@@ -1,6 +1,9 @@
                                                          -*- coding: utf-8 -*-
 
 Changes with Apache 2.4.10
+  *) SECURITY: CVE-2014-3581 (cve.mitre.org)
+     mod_cache: Avoid a crash when Content-Type has an empty value. PR56924.
+     [Mark Montague <mark catseye.org>, Jan Kaluza]
 
   *) SECURITY: CVE-2014-0117 (cve.mitre.org)
      mod_proxy: Fix crash in Connection header handling which 
Index: httpd-2.4.10/modules/cache/cache_util.c
===================================================================
--- httpd-2.4.10.orig/modules/cache/cache_util.c
+++ httpd-2.4.10/modules/cache/cache_util.c
@@ -1258,8 +1258,10 @@ apr_table_t *cache_merge_headers_out(req
 
     if (r->content_type
             && !apr_table_get(headers_out, "Content-Type")) {
-        apr_table_setn(headers_out, "Content-Type",
-                       ap_make_content_type(r, r->content_type));
+        const char *ctype = ap_make_content_type(r, r->content_type);
+        if (ctype) {
+			apr_table_setn(headers_out, "Content-Type", ctype);
+		}
     }
 
     if (r->content_encoding