diff --git a/NEWS b/NEWS
index e1a5ad85228..9171f67e925 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,7 @@ PHP                                                                        NEWS
   . Fix registerNodeClass with abstract class crashing. (nielsdos)
   . Fix compile error when php_libxml.h header is included in C++.
     (Remi, nielsdos)
+  . Add missing NULL pointer error check. (icy17)
 
 - Fiber:
   . Fixed bug GH-11121 (ReflectionFiber segfault). (danog, trowski, bwoebi)
@@ -48,6 +49,12 @@ PHP                                                                        NEWS
   . Fixed bug #75708 (getimagesize with "&$imageinfo" fails on StreamWrappers).
     (Jakub Zelenka)
 
+- XMLReader:
+  . Add missing NULL pointer error check. (icy17)
+
+- XMLWriter:
+  . Add missing NULL pointer error check. (icy17)
+
 - XSL:
   . Add missing module dependency. (nielsdos)
 
diff --git a/ext/dom/document.c b/ext/dom/document.c
index 92916f35721..665c0a042d6 100644
--- a/ext/dom/document.c
+++ b/ext/dom/document.c
@@ -1157,6 +1157,9 @@ char *_dom_get_valid_file_path(char *source, char *resolved_path, int resolved_p
 	int isFileUri = 0;
 
 	uri = xmlCreateURI();
+	if (uri == NULL) {
+		return NULL;
+	}
 	escsource = xmlURIEscapeStr((xmlChar *) source, (xmlChar *) ":");
 	xmlParseURIReference(uri, (char *) escsource);
 	xmlFree(escsource);
diff --git a/ext/xmlreader/php_xmlreader.c b/ext/xmlreader/php_xmlreader.c
index 137c12f7151..4ec3cae16ef 100644
--- a/ext/xmlreader/php_xmlreader.c
+++ b/ext/xmlreader/php_xmlreader.c
@@ -212,6 +212,9 @@ char *_xmlreader_get_valid_file_path(char *source, char *resolved_path, int reso
 	int isFileUri = 0;
 
 	uri = xmlCreateURI();
+	if (uri == NULL) {
+		return NULL;
+	}
 	escsource = xmlURIEscapeStr((xmlChar *)source, (xmlChar *)":");
 	xmlParseURIReference(uri, (const char *)escsource);
 	xmlFree(escsource);
diff --git a/ext/xmlwriter/php_xmlwriter.c b/ext/xmlwriter/php_xmlwriter.c
index 8fd5f1223d4..abb13578088 100644
--- a/ext/xmlwriter/php_xmlwriter.c
+++ b/ext/xmlwriter/php_xmlwriter.c
@@ -109,6 +109,9 @@ static char *_xmlwriter_get_valid_file_path(char *source, char *resolved_path, i
 	int isFileUri = 0;
 
 	uri = xmlCreateURI();
+	if (uri == NULL) {
+		return NULL;
+	}
 	escsource = xmlURIEscapeStr((xmlChar *)source, (xmlChar *) ":");
 	xmlParseURIReference(uri, (char *)escsource);
 	xmlFree(escsource);