diff --git a/ext/phar/tests/zip/corrupt_009.phpt b/ext/phar/tests/zip/corrupt_009.phpt
new file mode 100644
index 00000000000..91f142da7b2
--- /dev/null
+++ b/ext/phar/tests/zip/corrupt_009.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Phar: corrupted zip (extra field way too long)
+--SKIPIF--
+<?php if (!extension_loaded("phar")) die("skip"); ?>
+<?php if (!extension_loaded("spl")) die("skip SPL not available"); ?>
+--FILE--
+<?php
+try {
+	new PharData(dirname(__FILE__) . '/files/extralen_toolong.zip');
+} catch (Exception $e) {
+	echo $e->getMessage() . "\n";
+}
+?>
+===DONE===
+--EXPECTF--
+phar error: Unable to process extra field header for file in central directory in zip-based phar "%sextralen_toolong.zip"
+===DONE===
diff --git a/ext/phar/tests/zip/files/corrupt3.php.inc b/ext/phar/tests/zip/files/corrupt3.php.inc
new file mode 100644
index 00000000000..aa0cc96d89f
--- /dev/null
+++ b/ext/phar/tests/zip/files/corrupt3.php.inc
@@ -0,0 +1,6 @@
+<?php
+include dirname(__FILE__) . '/corrupt_zipmaker.php.inc';
+$a = new corrupt_zipmaker;
+$a->addFile('hi', null, 'hii', null, null, null, 'extralen1');
+$a->writeZip(dirname(__FILE__) . '/extralen_toolong.zip');
+?>
diff --git a/ext/phar/tests/zip/files/corrupt_zipmaker.php.inc b/ext/phar/tests/zip/files/corrupt_zipmaker.php.inc
index 2c1719920de..959530f2cfc 100644
--- a/ext/phar/tests/zip/files/corrupt_zipmaker.php.inc
+++ b/ext/phar/tests/zip/files/corrupt_zipmaker.php.inc
@@ -237,6 +237,15 @@ class corrupt_zipmaker
 						$filename . $comment;
 				$offset = strlen($central);
 				break;
+			case 'extralen1' :
+				$extra = 'nu' . 0xffff; // way huge size
+				$central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
+						$mtime .
+						pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), strlen($extra),strlen($comment),0x00,0x00,
+							0x0000, $this->offset).
+						$filename . $extra . $comment;
+				$offset = strlen($central);
+				break;
 		}
 		return $central;
 	}
diff --git a/ext/phar/tests/zip/files/extralen_toolong.zip b/ext/phar/tests/zip/files/extralen_toolong.zip
new file mode 100644
index 00000000000..a04fa6b0040
Binary files /dev/null and b/ext/phar/tests/zip/files/extralen_toolong.zip differ