CVE-2006-3869

CVE-2006-3869 is a high-severity vulnerability in Microsoft Ie with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 41% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Heap-based buffer overflow in URLMON.DLL in Microsoft Internet Explorer 6 SP1 on Windows 2000 and XP SP1, with versions the MS06-042 patch before 20060824, allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long URL on a website that uses HTTP 1.1 compression.

Frequently asked questions

What is CVE-2006-3869?
Heap-based buffer overflow in URLMON.DLL in Microsoft Internet Explorer 6 SP1 on Windows 2000 and XP SP1, with versions the MS06-042 patch before 20060824, allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long URL on a website that uses HTTP 1.1 compression.
How severe is CVE-2006-3869?
CVE-2006-3869 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-3869 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3869?
CVE-2006-3869 affects Microsoft Ie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-3869?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-3869 published?
CVE-2006-3869 was published on 2006-08-23 and last updated on 2026-06-16.

References

Affected products (1)

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