Index: server/protocol.c
===================================================================
RCS file: /home/cvspublic/httpd-2.0/server/protocol.c,v
retrieving revision 1.148
diff -u -r1.148 protocol.c
--- server/protocol.c	22 Apr 2004 22:38:03 -0000	1.148
+++ server/protocol.c	13 Jun 2004 19:47:36 -0000
@@ -716,6 +716,23 @@
                  * continuations that span many many lines.
                  */
                 apr_size_t fold_len = last_len + len + 1; /* trailing null */
+
+                if ((fold_len - 1) > r->server->limit_req_fieldsize) {
+                    r->status = HTTP_BAD_REQUEST;
+                    /* report what we have accumulated so far before the
+                     * overflow (last_field) as the field with the problem
+                     */
+                    apr_table_setn(r->notes, "error-notes",
+                                   apr_pstrcat(r->pool,
+                                               "Size of a request header field " 
+                                               "after folding "
+                                               "exceeds server limit.<br />\n"
+                                               "<pre>\n",
+                                               ap_escape_html(r->pool, last_field),
+                                               "</pre>\n", NULL));
+                    return;
+                }
+
                 if (fold_len > alloc_len) {
                     char *fold_buf;
                     alloc_len += alloc_len;