From: Anatol Belski <ab@php.net>
Date: Sat, 12 Sep 2015 19:37:12 +0000 (+0200)
Subject: add range check
X-Git-Tag: php-7.1.0alpha1~1157^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0c7872f88a78c25989e28c91b7ac88613aaea283;p=php

add range check
---

diff --git a/ext/dom/namednodemap.c b/ext/dom/namednodemap.c
index eb2fe25f01..d2e07ba7e8 100644
--- a/ext/dom/namednodemap.c
+++ b/ext/dom/namednodemap.c
@@ -214,6 +214,11 @@ PHP_FUNCTION(dom_namednodemap_item)
 		return;
 	}
 	if (index >= 0) {
+		if (ZEND_LONG_INT_OVFL(index)) {
+			php_error_docref(NULL, E_WARNING, "Invalid index");
+			RETURN_NULL();
+		}
+
 		intern = Z_DOMOBJ_P(id);
 
 		objmap = (dom_nnodemap_object *)intern->ptr;