From 68b53e136ca72b07211b502addde2c628be4e319 Mon Sep 17 00:00:00 2001
From: vit9696 <vit9696@users.noreply.github.com>
Date: Sun, 7 Apr 2019 21:30:04 +0300
Subject: [PATCH] OcXmlLib: Fix potential buffer overflow when deserializing
 mdata

---
 Library/OcXmlLib/OcXmlLib.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Library/OcXmlLib/OcXmlLib.c b/Library/OcXmlLib/OcXmlLib.c
index a917d694..f9cdae9e 100755
--- a/Library/OcXmlLib/OcXmlLib.c
+++ b/Library/OcXmlLib/OcXmlLib.c
@@ -1574,6 +1574,8 @@ PlistMetaDataValue (
   if (PlistNodeCast (Node, PLIST_NODE_TYPE_DATA) != NULL) {
     Content = XmlNodeContent (Node);
     if (Content != NULL) {
+
+      Length = *Size;
       Result = OcBase64Decode (Content, AsciiStrLen (Content), Buffer, &Length);
 
       if (!RETURN_ERROR (Result) && (UINT32) Length == Length) {