Initial commit

p7zip/patch/CVE-2017-17969.patch

@@ -0,0 +1,26 @@
+From 79bca880ce7bcf07216c45f93afea545e0344418 Mon Sep 17 00:00:00 2001
+From: aone <aone@keka.io>
+Date: Mon, 5 Feb 2018 13:01:09 +0100
+Subject: [PATCH] Security fix CVE-2017-17969
+
+---
+ CPP/7zip/Compress/ShrinkDecoder.cpp | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/CPP/7zip/Compress/ShrinkDecoder.cpp b/CPP/7zip/Compress/ShrinkDecoder.cpp
+index 80b7e67..5bb0559 100644
+--- a/CPP/7zip/Compress/ShrinkDecoder.cpp
++++ b/CPP/7zip/Compress/ShrinkDecoder.cpp
+@@ -121,7 +121,12 @@ HRESULT CDecoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream *
+     {
+       _stack[i++] = _suffixes[cur];
+       cur = _parents[cur];
++	  if (cur >= kNumItems || i >= kNumItems)
++	  	break;
+     }
++	
++	if (cur >= kNumItems || i >= kNumItems)
++		break;
+     
+     _stack[i++] = (Byte)cur;
+     lastChar2 = (Byte)cur;