From 5eeaa3b5ca12b6c189c1f065b3fbe2877218d9a4 Mon Sep 17 00:00:00 2001
From: Adam Tkac <atkac@redhat.com>
Date: Tue, 18 Nov 2008 16:00:14 +0000
Subject: [PATCH] [Bugfix] Backported patch from RealVNC 4.1.3. FYI it is not
 security related.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@3183 3789f03b-4d11-0410-bbf8-ca57d06f2519
---
 common/rfb/CMsgReader.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common/rfb/CMsgReader.cxx b/common/rfb/CMsgReader.cxx
index 38547c0f..cc288462 100644
--- a/common/rfb/CMsgReader.cxx
+++ b/common/rfb/CMsgReader.cxx
@@ -99,6 +99,12 @@ void CMsgReader::readRect(const Rect& r, unsigned int encoding)
   if (encoding == encodingCopyRect) {
     readCopyRect(r);
   } else {
+
+    if (encoding > encodingMax) {
+      fprintf(stderr, "Unknown rect encoding %d\n", encoding);
+      throw Exception("Unknown rect encoding");
+    }
+
     if (!decoders[encoding]) {
       decoders[encoding] = Decoder::createDecoder(encoding, this);
       if (!decoders[encoding]) {
-- 
2.39.5