diff --git a/library/Zend/Validator/Ip.php b/library/Zend/Validator/Ip.php
index 10ecf5f92e0..9253a8189e6 100644
--- a/library/Zend/Validator/Ip.php
+++ b/library/Zend/Validator/Ip.php
@@ -97,15 +97,15 @@ public function isValid($value)
      */
     protected function validateIPv4($value)
     {
-        if (preg_match('/^([01]{8}.){3}[01]{8}$/i', $value)) {
+        if (preg_match('/^([01]{8}.){3}[01]{8}\z/i', $value)) {
             // binary format  00000000.00000000.00000000.00000000
             $value = bindec(substr($value, 0, 8)) . '.' . bindec(substr($value, 9, 8)) . '.'
                    . bindec(substr($value, 18, 8)) . '.' . bindec(substr($value, 27, 8));
-        } elseif (preg_match('/^([0-9]{3}.){3}[0-9]{3}$/i', $value)) {
+        } elseif (preg_match('/^([0-9]{3}.){3}[0-9]{3}\z/i', $value)) {
             // octet format 777.777.777.777
             $value = (int) substr($value, 0, 3) . '.' . (int) substr($value, 4, 3) . '.'
                    . (int) substr($value, 8, 3) . '.' . (int) substr($value, 12, 3);
-        } elseif (preg_match('/^([0-9a-f]{2}.){3}[0-9a-f]{2}$/i', $value)) {
+        } elseif (preg_match('/^([0-9a-f]{2}.){3}[0-9a-f]{2}\z/i', $value)) {
             // hex format ff.ff.ff.ff
             $value = hexdec(substr($value, 0, 2)) . '.' . hexdec(substr($value, 3, 2)) . '.'
                    . hexdec(substr($value, 6, 2)) . '.' . hexdec(substr($value, 9, 2));
diff --git a/tests/ZendTest/Validator/IpTest.php b/tests/ZendTest/Validator/IpTest.php
index 6c023f171e6..123ba6b9d59 100644
--- a/tests/ZendTest/Validator/IpTest.php
+++ b/tests/ZendTest/Validator/IpTest.php
@@ -283,6 +283,12 @@ public function testIPv4AddressNotations()
             'a0.b0.c0.d0'                            => true,
             'g0.00.00.00'                            => false,
             'g0.00.00.00:80'                         => false,
+
+            // new lines should not accept
+            "00000001.00000010.00000011.00000100\n"  => false,
+            "001.002.003.004\n"                      => false,
+            "a0.b0.c0.d0\n"                          => false,
+
         );
 
         foreach ($ips as $ip => $expectedOutcome) {