Summary
This article describes the cumulative security update for JScript9.dll in Internet Explorer that is dated February 10, 2015. This security update resolves an issue in the Jscript9.dll component that leads to an Address Space Layout Randomization (ASLR) security feature bypass. For more information about this update, see Microsoft Knowledge Base article 3034682.
Introduction
Microsoft has released security bulletin MS15-009. To learn more about this security bulletin:
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Home users:
https://www.microsoft.com/security/pc-security/updates.aspxSkip the details: Download the updates for your home computer or laptop from the Microsoft Update website now:
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IT professionals:
How to obtain help and support for this security update
Help installing updates: Support for Microsoft Update Security solutions for IT professionals:TechNet Security Support and Troubleshooting Help protect your Windows-based computer from viruses and malware: Virus and Security Solution Center Local support according to your country:International Support
More Information
Restart information
You may have to restart the computer after you install this security update.
In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart the computer. To help reduce the possibility that a restart will be required, stop all affected services and close all applications that may use the affected files before you install this security update. For more information, see the following Microsoft Knowledge Base article:887012Â Why you may be prompted to restart your computer after you install a security update on a Windows-based computer for more information.
The English (United States) version of this security update 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.
Windows Vista and Windows Server 2008 file information
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
Internet Explorer 9Internet Explorer 9 on all supported x86-based versions of Windows Vista
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript.dll |
5.8.7601.17125 |
717,824 |
23-Jan-2015 |
02:51 |
x86 |
Jscript9.dll |
9.0.8112.16620 |
1,810,944 |
23-Jan-2015 |
03:00 |
x86 |
Jscript.dll |
5.8.7601.20731 |
717,824 |
23-Jan-2015 |
02:57 |
x86 |
Jscript9.dll |
9.0.8112.20730 |
1,810,944 |
23-Jan-2015 |
03:06 |
x86 |
Internet Explorer 9 on all supported x64-based versions of Windows Vista and Windows Server 2008
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript.dll |
5.8.7601.17125 |
816,640 |
23-Jan-2015 |
03:59 |
x64 |
Jscript9.dll |
9.0.8112.16620 |
2,339,840 |
23-Jan-2015 |
04:07 |
x64 |
Jscript.dll |
5.8.7601.20731 |
816,640 |
23-Jan-2015 |
04:11 |
x64 |
Jscript9.dll |
9.0.8112.20730 |
2,339,328 |
23-Jan-2015 |
04:19 |
x64 |
Jscript.dll |
5.8.7601.17125 |
717,824 |
23-Jan-2015 |
02:51 |
x86 |
Jscript9.dll |
9.0.8112.16620 |
1,810,944 |
23-Jan-2015 |
03:00 |
x86 |
Jscript.dll |
5.8.7601.20731 |
717,824 |
23-Jan-2015 |
02:57 |
x86 |
Jscript9.dll |
9.0.8112.20730 |
1,810,944 |
23-Jan-2015 |
03:06 |
x86 |
Windows 7 and Windows Server 2008 R2 file information
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
Internet Explorer 9Internet Explorer 9 on all supported x86-based versions of Windows 7
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript.dll |
5.8.7601.17125 |
717,824 |
23-Jan-2015 |
02:51 |
x86 |
Jscript9.dll |
9.0.8112.16620 |
1,810,944 |
23-Jan-2015 |
03:00 |
x86 |
Jscript.dll |
5.8.7601.20731 |
717,824 |
23-Jan-2015 |
02:57 |
x86 |
Jscript9.dll |
9.0.8112.20730 |
1,810,944 |
23-Jan-2015 |
03:06 |
x86 |
Internet Explorer 9 on all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript.dll |
5.8.7601.17125 |
816,640 |
23-Jan-2015 |
03:59 |
x64 |
Jscript9.dll |
9.0.8112.16620 |
2,339,840 |
23-Jan-2015 |
04:07 |
x64 |
Jscript.dll |
5.8.7601.20731 |
816,640 |
23-Jan-2015 |
04:11 |
x64 |
Jscript9.dll |
9.0.8112.20730 |
2,339,328 |
23-Jan-2015 |
04:19 |
x64 |
Jscript.dll |
5.8.7601.17125 |
717,824 |
23-Jan-2015 |
02:51 |
x86 |
Jscript9.dll |
9.0.8112.16620 |
1,810,944 |
23-Jan-2015 |
03:00 |
x86 |
Jscript.dll |
5.8.7601.20731 |
717,824 |
23-Jan-2015 |
02:57 |
x86 |
Jscript9.dll |
9.0.8112.20730 |
1,810,944 |
23-Jan-2015 |
03:06 |
x86 |
Internet Explorer 10 Internet Explorer 10 on all supported x86-based versions of Windows 7
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript9.dll |
10.0.9200.17241 |
2,864,640 |
23-Jan-2015 |
04:27 |
x86 |
Jscript9.dll |
10.0.9200.21359 |
2,868,224 |
23-Jan-2015 |
04:26 |
x86 |
Internet Explorer 10 on all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript9.dll |
10.0.9200.17241 |
3,959,296 |
23-Jan-2015 |
05:50 |
x64 |
Jscript9.dll |
10.0.9200.21359 |
3,969,024 |
23-Jan-2015 |
04:27 |
x64 |
Jscript9.dll |
10.0.9200.17241 |
2,864,640 |
23-Jan-2015 |
04:27 |
x86 |
Jscript9.dll |
10.0.9200.21359 |
2,868,224 |
23-Jan-2015 |
04:26 |
x86 |
Internet Explorer 11 Internet Explorer 11 on all supported x86-based versions of Windows 7
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript9.dll.mui |
11.0.9600.17640 |
29,696 |
24-Jan-2015 |
02:14 |
Not Applicable |
Jscript9.dll |
11.0.9600.17640 |
4,300,800 |
23-Jan-2015 |
03:17 |
x86 |
Jscript9diag.dll |
11.0.9600.17640 |
620,032 |
23-Jan-2015 |
03:43 |
x86 |
Internet Explorer 11 on all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript9.dll.mui |
11.0.9600.17640 |
29,696 |
24-Jan-2015 |
02:46 |
Not Applicable |
Jscript9.dll |
11.0.9600.17640 |
6,041,600 |
23-Jan-2015 |
04:41 |
x64 |
Jscript9diag.dll |
11.0.9600.17640 |
814,080 |
23-Jan-2015 |
04:42 |
x64 |
Jscript9.dll |
11.0.9600.17640 |
4,300,800 |
23-Jan-2015 |
03:17 |
x86 |
Jscript9diag.dll |
11.0.9600.17640 |
620,032 |
23-Jan-2015 |
03:43 |
x86 |
Jscript9.dll.mui |
11.0.9600.17640 |
29,696 |
24-Jan-2015 |
02:14 |
Not Applicable |
Windows 8 and Windows Server 2012 file information
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
Internet Explorer 10 Internet Explorer 10 on all supported x86-based versions of Windows 8
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript9.dll |
10.0.9200.17241 |
2,864,640 |
23-Jan-2015 |
04:27 |
x86 |
Jscript9.dll |
10.0.9200.21359 |
2,868,224 |
23-Jan-2015 |
04:26 |
x86 |
Internet Explorer 10 on all supported x64-based versions of Windows 8 and Windows Server 2012
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript9.dll |
10.0.9200.17241 |
3,959,296 |
23-Jan-2015 |
05:50 |
x64 |
Jscript9.dll |
10.0.9200.21359 |
3,969,024 |
23-Jan-2015 |
04:27 |
x64 |
Jscript9.dll |
10.0.9200.17241 |
2,864,640 |
23-Jan-2015 |
04:27 |
x86 |
Jscript9.dll |
10.0.9200.21359 |
2,868,224 |
23-Jan-2015 |
04:26 |
x86 |
Windows 8.1 and Windows Server 2012 R2 file information
Internet Explorer 11 Internet Explorer 11 on all supported x86-based versions of Windows 8.1
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript9.dll |
11.0.9600.17640 |
4,300,800 |
23-Jan-2015 |
03:17 |
x86 |
Jscript9diag.dll |
11.0.9600.17416 |
620,032 |
31-Oct-2014 |
03:11 |
x86 |
Internet Explorer 11 on all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Jscript9.dll |
11.0.9600.17640 |
6,041,600 |
23-Jan-2015 |
04:41 |
x64 |
Jscript9diag.dll |
11.0.9600.17416 |
814,080 |
31-Oct-2014 |
04:50 |
x64 |
Jscript9.dll |
11.0.9600.17640 |
4,300,800 |
23-Jan-2015 |
03:17 |
x86 |
Jscript9diag.dll |
11.0.9600.17416 |
620,032 |
31-Oct-2014 |
03:11 |
x86 |
How to determine whether you are running a 32-bit or a 64-bit edition of Windows
If you are not sure which version of Windows that you are running or whether it is a 32-bit version or 64-bit version, open System Information (Msinfo32.exe), and review the value that is listed for System Type. To do this, follow these steps:
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Click Start, and then click Run, or click Start Search.
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Type msinfo32.exe, and then press Enter.
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In System Information, review the value for System Type.
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For 32-bit editions of Windows, the System Type value is x86-based PC.
-
For 64-bit editions of Windows, the System Type value is x64-based PC.
-
For more information about how to determine whether you are running a 32-bit or 64-bit edition of Windows, click the following article number to view the article in the Microsoft Knowledge Base:
827218How to determine whether a computer is running a 32-bit version or a 64-bit version of the Windows operating system
Additional information about service branch
Security update 3034196 packages for Windows XP and for Windows Server 2003 include Internet Explorer hotfix files and general distribution release (GDR) files. If no existing Internet Explorer files are from the hotfix environment, security update 2936068 installs the GDR files.
Hotfixes are intended to correct only the problems that are described in the Microsoft Knowledge Base articles that are associated with the hotfixes. Apply hotfixes only to systems that are experiencing these specific problems. These hotfixes may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains these hotfixes. For more information about how to install the hotfixes that are included in security update 2936068, click the following article number to view the article in the Microsoft Knowledge Base:897225How to install hotfixes that are included in cumulative security updates for Internet Explorer Note In addition to installing hotfix files, review the Microsoft Knowledge Base article that is associated with the specific hotfix that you have to install to determine the registry modification that is required to enable that specific hotfix. For more information about how to determine whether your existing Internet Explorer files are from the hotfix or from the GDR environment, click the following article number to view the article in the Microsoft Knowledge Base:
824994Description of the contents of Windows XP Service Pack 2 and Windows Server 2003 software update packages