1 files changed, 19 insertions, 0 deletions
diff --git a/ext/dom/tests/bug66783.phpt b/ext/dom/tests/bug66783.phpt
new file mode 100644
index 0000000000..98981a88f6
--- /dev/null
+++ b/ext/dom/tests/bug66783.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Bug #66783 (UAF when appending DOMDocument to element)
+--SKIPIF--
+<?php
+if (!extension_loaded('dom')) die('skip dom extension not available');
+?>
+--FILE--
+<?php
+$doc = new DomDocument;
+$doc->loadXML('<root></root>');
+$e = $doc->createElement('e');
+try {
+    $e->appendChild($doc);
+} catch (DOMException $ex) {
+    echo $ex->getMessage(), PHP_EOL;
+}
+?>
+--EXPECTF--
+Hierarchy Request Error