{"id":"CVE-2009-2495","aliases":["EUVD-2009-2490","GHSA-w98q-7wf3-vg43"],"status":"published","title":"The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005...","description":"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.\"","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:C/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.343,"percentile":0.98417,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-126","CWE-200"],"published":"2009-07-29T17:00:00Z","modified":"2026-06-16T23:09:34Z","products":[{"vendor":"microsoft","product":"visual_c\\+\\+"},{"vendor":"microsoft","product":"visual_studio"},{"vendor":"microsoft","product":"visual_studio_.net"}],"references":[{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-66-266108-1","tags":["vendor-advisory","x_refsource_SUNALERT","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/2034","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7573","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb09-13.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.novell.com/support/viewContent.do?externalId=7004997\u0026sliceId=1","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6478","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-286A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-035","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6305","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=126592505426855\u0026w=2","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb09-10.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/36374","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/36746","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/35967","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-195A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-060","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2495"},{"url":"https://github.com/advisories/GHSA-w98q-7wf3-vg43"}],"sources":{"cve":[{"id":"CVE-2009-2495","description":"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.\"","status":"published","published":"2009-07-29T17:00:00Z","modified":"2026-05-27T15:51:32.827Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T14:33:23.041383Z"}],"euvd":[{"id":"EUVD-2009-2490","description":"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.\"","status":"published","published":"2009-07-29T17:00:00Z","modified":"2026-05-27T15:51:32Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:21:03.926243Z"}],"ghsa":[{"id":"GHSA-w98q-7wf3-vg43","title":"The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005...","description":"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.\"","status":"published","published":"2022-05-02T03:35:49Z","modified":"2026-05-27T18:31:32Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-126","CWE-200"],"updated_at":"2026-11-02T15:08:21.006908Z"}],"nvd":[{"id":"CVE-2009-2495","description":"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.\"","status":"published","published":"2009-07-29T17:30:01.25Z","modified":"2026-06-16T23:09:34.67Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:C/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-200","CWE-126"],"updated_at":"2026-11-02T14:01:36.200173Z"}]}}