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Vulnerability record · CVE-2009-2655 · published 3 August 2009

CVE-2009-2655: Microsoft internet explorer improper input validation vulnerability

Microsoft · Internet Explorer

mshtml.dll in Microsoft Internet Explorer 7 and 8 on Windows XP SP3 allows remote attackers to cause a denial of service (application crash) by calling the JavaScript findText method with a crafted Unicode string in the first argument, and only one additional argument, as demonstrated by a second argument of -1.

4.3 CVSS 2.0 Medium EPSS 23% · top 2.4% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

mshtml.dll in Microsoft Internet Explorer 7 and 8 on Windows XP SP3 allows remote attackers to cause a denial of service (application crash) by calling the JavaScript findText method with a crafted Unicode string in the first argument, and only one additional argument, as demonstrated by a second argument of -1.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.exploit-db.com/exploits/9253
http://www.securityfocus.com/bid/35799
https://exchange.xforce.ibmcloud.com/vulnerabilities/52249
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12700
http://www.exploit-db.com/exploits/9253
http://www.securityfocus.com/bid/35799
https://exchange.xforce.ibmcloud.com/vulnerabilities/52249
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12700

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-2655), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.