From 406239dfc75a183955ec2f29ec40722a93af9f6c Mon Sep 17 00:00:00 2001
From: Dmitry-Me <wipedout@yandex.ru>
Date: Tue, 12 Aug 2014 17:44:20 +0400
Subject: [PATCH] Fix potential buffer overrun

---
 lib/checkbufferoverrun.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/checkbufferoverrun.cpp b/lib/checkbufferoverrun.cpp
index ea23d46be..49a4c4db8 100644
--- a/lib/checkbufferoverrun.cpp
+++ b/lib/checkbufferoverrun.cpp
@@ -1360,7 +1360,7 @@ MathLib::bigint CheckBufferOverrun::countSprintfLength(const std::string &input_
     std::size_t parameterLength = 0;
     for (std::string::size_type i = 0; i < input_string.length(); ++i) {
         if (input_string[i] == '\\') {
-            if (input_string[i+1] == '0')
+            if (i < input_string.length() - 1 && input_string[i + 1] == '0')
                 break;
 
             ++input_string_size;