diff --git a/iputils-20100418-dos.patch b/iputils-20100418-dos.patch
new file mode 100644
index 0000000..ad23c71
--- /dev/null
+++ b/iputils-20100418-dos.patch
@@ -0,0 +1,21 @@
+diff -up iputils-s20100418/ping.c.dos iputils-s20100418/ping.c
+--- iputils-s20100418/ping.c.dos	2010-07-13 08:53:29.356694202 +0200
++++ iputils-s20100418/ping.c	2010-07-13 08:53:55.350694373 +0200
+@@ -1083,7 +1083,7 @@ void pr_options(unsigned char * cp, int 
+ 				i = j;
+ 			i -= IPOPT_MINOFF;
+ 			if (i <= 0)
+-				continue;
++				break;
+ 			if (i == old_rrlen
+ 			    && !strncmp((char *)cp, old_rr, i)
+ 			    && !(options & F_FLOOD)) {
+@@ -1120,7 +1120,7 @@ void pr_options(unsigned char * cp, int 
+ 				i = j;
+ 			i -= 5;
+ 			if (i <= 0)
+-				continue;
++				break;
+ 			flags = *++cp;
+ 			printf("\nTS: ");
+ 			cp++;
diff --git a/iputils.spec b/iputils.spec
index 69cb3f8..d557343 100644
--- a/iputils.spec
+++ b/iputils.spec
@@ -1,7 +1,7 @@
 Summary: Network monitoring tools including ping
 Name: iputils
 Version: 20100418
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: BSD
 URL: http://www.skbuff.net/iputils
 Group: System Environment/Daemons
@@ -24,6 +24,7 @@ Patch10: iputils-20071127-corr_type.patch
 Patch11: iputils-20071127-infiniband.patch
 Patch12: iputils-20100418-convtoint.patch
 Patch13: iputils-20100418-flowlabel.patch
+Patch14: iputils-20100418-dos.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: docbook-utils perl-SGMLSpm
@@ -58,6 +59,7 @@ the target machine is alive and receiving network traffic.
 %patch11 -p1 -b .infiniband
 %patch12 -p1 -b .convtoint
 %patch13 -p1 -b .flowlabel
+%patch14 -p1 -b .dos
 
 %build
 %ifarch s390 s390x
@@ -147,6 +149,9 @@ rm -rf ${RPM_BUILD_ROOT}
 %{_sysconfdir}/rc.d/init.d/rdisc
 
 %changelog
+* Tue Jul 13 2010 Jiri Skala <jskala@redhat.com> - 20100418-3
+- applied patch preventing ping against dos attack
+
 * Wed May 19 2010 Jiri Skala <jskala@redhat.com> - 20100418-2
 - fixes #593641 - update bonding files (updated ifenslave tarball)