Validate parser parameter in XML_SetEndNamespaceDeclHandler

diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index 743fbdc3680c3cc6d0108c446fb1937fed1237a1..c45afaa24b18d447769a0df4ee8225da07155d70 100644 (file)
--- a/expat/lib/xmlparse.c
+++ b/expat/lib/xmlparse.c
@@ -1533,7 +1533,8 @@ XML_SetStartNamespaceDeclHandler(XML_Parser parser,
 void XMLCALL
 XML_SetEndNamespaceDeclHandler(XML_Parser parser,
                                XML_EndNamespaceDeclHandler end) {
-  endNamespaceDeclHandler = end;
+  if (parser != NULL)
+    endNamespaceDeclHandler = end;
 }
 
 void XMLCALL