CVE-2009-2495

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Summary

CVECVE-2009-2495
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-07-29 17:30:01 UTC
Updated2026-05-27 17:16:18 UTC
DescriptionThe Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold and SP1, and Visual C++ 2005 SP1 and 2008 Gold and SP1 does not properly enforce string termination, which allows remote attackers to obtain sensitive information via a crafted HTML document with an ATL (1) component or (2) control that triggers a buffer over-read, related to ATL headers and buffer allocation, aka "ATL Null String Vulnerability."

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS: 0.684220000 probability, percentile 0.986270000 (date 2026-06-01)

Problem Types: CWE-200 | CWE-126 | n/a | CWE-126 CWE-126 Buffer Over-read

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
2.0[email protected]Primary7.8AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:C/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft Visual C 2005 sp1_redistribution_pkg All All
Application Microsoft Visual C 2008 redistribution_pkg All All
Application Microsoft Visual C 2008 sp1_redistribution_pkg All All
Application Microsoft Visual Studio 2005 sp1 All All
Application Microsoft Visual Studio 2005 sp1 64_bit_hosted_visual_c\+\+_tools All
Application Microsoft Visual Studio 2008 All All All
Application Microsoft Visual Studio 2008 sp1 All All
Application Microsoft Visual Studio .net 2003 sp1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
sunsolve.sun.com/search/document.do af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com
US-CERT Technical Cyber Security Alert TA09-286A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov US Government Resource
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Microsoft Security Bulletin MS09-060 - Critical | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
Adobe - Security Bulletins: APSB09-10 Security Updates available for Adobe Flash Player, Adobe Reader and Acrobat af854a3a-2127-422b-91ae-364da2661108 www.adobe.com
Adobe - Security Bulletins: APSB09-13 Security Update available for Flex SDK af854a3a-2127-422b-91ae-364da2661108 www.adobe.com
'[security bulletin] HPSBMA02488 SSRT100013 rev.1 - HP ProLiant Support Pack 8.30 for Windows, Remote' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
Adobe Flex Multiple Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
www.novell.com/support/viewContent.do af854a3a-2127-422b-91ae-364da2661108 www.novell.com
US-CERT Technical Cyber Security Alert TA09-195A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov US Government Resource
Microsoft Visual Studio Active Template Library Three Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Microsoft Security Bulletin MS09-035 - Moderate | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Novell GroupWise Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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