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CVE-2006-3899

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of...

5.0 MediumPublic exploit

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the stringToBinary function of the CEnroll.CEnroll.2 ActiveX object with a long second argument, which triggers an invalid memory access inside the SysAllocStringLen function.

Exploit likelihood

24.3%Down 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the stringToBinary function of the CEnroll.CEnroll.2 ActiveX object with a long second argument, which triggers an invalid memory access inside the SysAllocStringLen function.

Record
CVE-2006-3899
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the stringToBinary function of the CEnroll.CEnroll.2 ActiveX object with a long second argument, which triggers an invalid memory access inside the SysAllocStringLen function.

Record
CVE-2006-3899
Updated
2026-11-02
EUVDEUVD-2006-3893 No score

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the stringToBinary function of the CEnroll.CEnroll.2 ActiveX object with a long second argument, which triggers an invalid memory access inside the SysAllocStringLen function.

Record
EUVD-2006-3893
Updated
2026-11-03
GitHub AdvisoriesGHSA-cmmc-r884-f54q No score

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of...

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the stringToBinary function of the CEnroll.CEnroll.2 ActiveX object with a long second argument, which triggers an invalid memory access inside the SysAllocStringLen function.

Record
GHSA-cmmc-r884-f54q
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMicrosoft Internet Explorer 6 - String To Binary Function Denial of Service2006-07-20

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-3899 is a medium vulnerability (CVSS 5.0) in Microsoft Internet Explorer, published July 27, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 24.3%, the 97th percentile. No source names a fixed version.

References

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