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Fencer Vulns
medium 5.0

CVE-2006-3944 json

Microsoft Internet Explorer 6 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) via a (1) Forms.ListBox.1 or (…

published 2006-07-31 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-3937

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
17.5%
EPSS 17.5% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

Microsoft Internet Explorer 6 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) via a (1) Forms.ListBox.1 or (2) Forms.ListBox.1 object with the ListWidth property set to (a) 0x7fffffff, which triggers an integer overflow exception, or to (b) 0x7ffffffe, which triggers a null dereference.

Timeline

  1. First public exploit (EDB-28258)
  2. Published

Exploit prediction

17.46% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-28258 Microsoft Internet Explorer 6 - Multiple Object ListWidth Property Denial of Service Vulnerabilities dos, 2006-07-23
  • browserfun.blogspot.com http://browserfun.blogspot.com/2006/07/mobb-24-formslistbox1-listwidth.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.