CVE-2009-0901 Details
Description
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold, and Visual C++ 2005 SP1 and 2008 Gold and SP1; and Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2; does not prevent VariantClear calls on an uninitialized VARIANT, which allows remote attackers to execute arbitrary code via a malformed stream to an ATL (1) component or (2) control, related to ATL headers and error handling, aka "ATL Uninitialized Object Vulnerability."
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 27, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | [email protected] |
| CWE-457 | Use of Uninitialized Variable | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| microsoft visual c++ | 2005 sp1_redistribution_pkg 2008 redistribution_pkg 2008 sp1_redistribution_pkg |
CPE
Remediation
| |
| microsoft visual studio | 2005 sp1 2008 2008 sp1 |
CPE
Remediation
| |
| microsoft visual studio .net | 2003 sp1 |
CPE
Remediation
| |
Change History
10 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 16, 2026 | CVE Modified | CISA-ADP |
| Jun 16, 2026 | CVE Modified | [email protected] |
| May 27, 2026 | CVE Modified | CISA-ADP |
| Apr 23, 2026 | Status Change | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Oct 12, 2018 | CVE Modified | [email protected] |
| Sep 29, 2017 | CVE Modified | [email protected] |
| Nov 14, 2014 | CVE Modified | [email protected] |
| Jul 29, 2009 | Initial Analysis | [email protected] |