From 21904689872d0228d8531672c81fc13fc221739c Mon Sep 17 00:00:00 2001
From: Anssi Hannula <anssi.hannula@iki.fi>
Date: Sat, 13 Nov 2010 08:00:51 +0200
Subject: [PATCH 05/15] fixed: CVE-2008-1721 in internal python (upstream)

---
 xbmc/lib/libPython/Python/Modules/zlibmodule.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/xbmc/lib/libPython/Python/Modules/zlibmodule.c b/xbmc/lib/libPython/Python/Modules/zlibmodule.c
index 35b8c32..60b3eea 100644
--- a/xbmc/lib/libPython/Python/Modules/zlibmodule.c
+++ b/xbmc/lib/libPython/Python/Modules/zlibmodule.c
@@ -669,6 +669,10 @@ PyZlib_unflush(compobject *self, PyObject *args)
 
     if (!PyArg_ParseTuple(args, "|i:flush", &length))
 	return NULL;
+    if (length <= 0) {
+	PyErr_SetString(PyExc_ValueError, "length must be greater than zero");
+	return NULL;
+    }
     if (!(retval = PyString_FromStringAndSize(NULL, length)))
 	return NULL;
 
-- 
1.7.3