CVE-2009-2495
The 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."
Key facts
- CVSS score
- 6.5 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N- Weakness (CWE)
- CWE-200
- EPSS score
- 34.3% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2490)
- Published
- July 29, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2490 in the EU Vulnerability Database. Last updated in EUVD on May 27, 2026.
View on the EU Vulnerability DatabaseAffected products
- microsoft / visual c++
- microsoft / visual c++
- microsoft / visual c++
- microsoft / visual studio
- microsoft / visual studio
- microsoft / visual studio
- microsoft / visual studio
- microsoft / visual studio .net
References
- http://marc.info/?l=bugtraq&m=126592505426855&w=2
- http://secunia.com/advisories/35967
- http://secunia.com/advisories/36374
- http://secunia.com/advisories/36746
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-266108-1
- http://www.adobe.com/support/security/bulletins/apsb09-10.html
- http://www.adobe.com/support/security/bulletins/apsb09-13.html
- http://www.novell.com/support/viewContent.do?externalId=7004997&sliceId=1
- http://www.us-cert.gov/cas/techalerts/TA09-195A.html(US Government Resource)
- http://www.us-cert.gov/cas/techalerts/TA09-286A.html(US Government Resource)
- http://www.vupen.com/english/advisories/2009/2034
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-035
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-060
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6305
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6478
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7573
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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