From b83dd4e5e8b95f61fa2c25b1635793f919e4f101 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Wed, 28 Sep 2022 13:49:41 +0000
Subject: Issue #2010 - Ensure raw tagnames are safe exiting
 internalEntityParser

This resolves #2010
---
 parser/expat/lib/xmlparse.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/parser/expat/lib/xmlparse.c b/parser/expat/lib/xmlparse.c
index 6ab140c894..34888aba9e 100644
--- a/parser/expat/lib/xmlparse.c
+++ b/parser/expat/lib/xmlparse.c
@@ -4999,8 +4999,18 @@ internalEntityProcessor(XML_Parser parser,
   {
     processor = contentProcessor;
     /* see externalEntityContentProcessor vs contentProcessor */
-    return doContent(parser, parentParser ? 1 : 0, encoding, s, end,
-                     nextPtr, (XML_Bool)!ps_finalBuffer); 
+    result = doContent(parser,
+                       parentParser ? 1 : 0,
+                       encoding,
+                       s,
+                       end,
+                       nextPtr, 
+                       (XML_Bool)!ps_finalBuffer);
+    if (result == XML_ERROR_NONE) {
+      if (!storeRawNames(parser))
+        return XML_ERROR_NO_MEMORY;
+    }
+    return result;    
   }  
 }
 
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