What’s Vulnerable › Vulnerabilities

CVE-2006-3899

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 24.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2006-07-27 · updated 2026-06-16

Description

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.

Affected products

• Microsoft Internet Explorer 11: 6.0, 6.0-sp1, 6.0-sp2

References

• http://browserfun.blogspot.com/2006/07/mobb-21-cenroll-stringtobinary.html
• http://www.osvdb.org/27230
• http://www.securityfocus.com/bid/19102
• http://www.vupen.com/english/advisories/2006/2916
• https://exchange.xforce.ibmcloud.com/vulnerabilities/27884
• http://browserfun.blogspot.com/2006/07/mobb-21-cenroll-stringtobinary.html
• http://www.osvdb.org/27230
• http://www.securityfocus.com/bid/19102
• http://www.vupen.com/english/advisories/2006/2916
• https://exchange.xforce.ibmcloud.com/vulnerabilities/27884

Get alerted when CVE-2006-3899 or the next vulnerability affects your stack