FIX: Heap memory is corrupted and the server crashes when you run an FTP session in Windows Embedded Compact 2013

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Introduction

This article describes an issue in which memory might be accessed outside the character array boundaries in Windows Embedded Compact 2013. An update is available to resolve this issue. Before you install this update, all previously issued updates for Windows Embedded Compact 2013 must be installed.

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Symptoms

When you run an FTP session in Windows Embedded Compact 2013, memory might be accessed outside the character array boundaries. In this situation, heap memory is corrupted, and the FTP server crashes. Additionally, when you reestablish the FTP session, you receive a memory exception error message.

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Software update information

Download information

Windows Embedded Compact 2013 Monthly Update (May 2015) is now available from Microsoft. To download this monthly update, go to Microsoft OEM Online or MyOEM.

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:

On the Build menu, click Clean Solution, and then click Build Solution.
On the Build menu, click Rebuild Solution.

You do not have to restart the computer after you apply this software update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this software update package has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Files that are included in this update package

File name	File size	Date	Time	Path
Kmisc.c	56,396	22-May-2015	11:59	Private\Winceos\Coreos\Nk\Kernel
Ftpd.lib	3,454	22-May-2015	12:28	Public\Servers\Oak\Lib\X86\Checked
Ftpd.lib	3,454	22-May-2015	12:27	Public\Servers\Oak\Lib\X86\Retail
Ftpd.lib	3,454	22-May-2015	12:27	Public\Servers\Oak\Lib\X86\Debug
Ftpd.lib	3,398	22-May-2015	12:29	Public\Servers\Oak\Lib\Armv7\Checked
Ftpd.lib	3,398	22-May-2015	12:28	Public\Servers\Oak\Lib\Armv7\Retail
Ftpd.lib	3,398	22-May-2015	12:27	Public\Servers\Oak\Lib\Armv7\Debug
Ftpd.map	90,477	22-May-2015	12:28	Public\Servers\Oak\Target\X86\Checked
Ftpd.dll	65,536	22-May-2015	12:28	Public\Servers\Oak\Target\X86\Checked
Ftpd.rel	32,383	22-May-2015	12:28	Public\Servers\Oak\Target\X86\Checked
Ftpd.map	72,586	22-May-2015	12:27	Public\Servers\Oak\Target\X86\Retail
Ftpd.dll	57,344	22-May-2015	12:27	Public\Servers\Oak\Target\X86\Retail
Ftpd.rel	18,724	22-May-2015	12:27	Public\Servers\Oak\Target\X86\Retail
Ftpd.map	91,082	22-May-2015	12:27	Public\Servers\Oak\Target\X86\Debug
Ftpd.dll	86,016	22-May-2015	12:27	Public\Servers\Oak\Target\X86\Debug
Ftpd.rel	35,254	22-May-2015	12:27	Public\Servers\Oak\Target\X86\Debug
Ftpd.map	143,857	22-May-2015	12:29	Public\Servers\Oak\Target\Armv7\Checked
Ftpd.dll	65,536	22-May-2015	12:29	Public\Servers\Oak\Target\Armv7\Checked
Ftpd.rel	17,535	22-May-2015	12:29	Public\Servers\Oak\Target\Armv7\Checked
Ftpd.map	107,738	22-May-2015	12:28	Public\Servers\Oak\Target\Armv7\Retail
Ftpd.dll	57,344	22-May-2015	12:28	Public\Servers\Oak\Target\Armv7\Retail
Ftpd.rel	11,793	22-May-2015	12:28	Public\Servers\Oak\Target\Armv7\Retail
Ftpd.map	163,494	22-May-2015	12:27	Public\Servers\Oak\Target\Armv7\Debug
Ftpd.dll	81,920	22-May-2015	12:27	Public\Servers\Oak\Target\Armv7\Debug
Ftpd.rel	18,521	22-May-2015	12:27	Public\Servers\Oak\Target\Armv7\Debug
Ftpsession.cpp	44,592	22-May-2015	11:59	Public\Servers\Sdk\Samples\Ftpd
Nkmain.lib	3,671,966	22-May-2015	12:08	Public\Common\Oak\Lib\X86\Checked
Nkprmain.lib	3,719,300	22-May-2015	12:08	Public\Common\Oak\Lib\X86\Checked
Nkmain.lib	2,586,516	22-May-2015	12:08	Public\Common\Oak\Lib\X86\Retail
Nkprmain.lib	2,631,676	22-May-2015	12:08	Public\Common\Oak\Lib\X86\Retail
Nkmain.lib	3,290,390	22-May-2015	12:07	Public\Common\Oak\Lib\X86\Debug
Nkprmain.lib	3,335,484	22-May-2015	12:07	Public\Common\Oak\Lib\X86\Debug
Nkmain.lib	3,561,552	22-May-2015	12:08	Public\Common\Oak\Lib\Armv7\Checked
Nkprmain.lib	3,607,492	22-May-2015	12:08	Public\Common\Oak\Lib\Armv7\Checked
Nkmain.lib	2,406,080	22-May-2015	12:08	Public\Common\Oak\Lib\Armv7\Retail
Nkprmain.lib	2,458,172	22-May-2015	12:08	Public\Common\Oak\Lib\Armv7\Retail
Nkmain.lib	3,993,122	22-May-2015	12:07	Public\Common\Oak\Lib\Armv7\Debug
Nkprmain.lib	4,047,296	22-May-2015	12:07	Public\Common\Oak\Lib\Armv7\Debug