Heap-based buffer overflow in URLMON.DLL in Microsoft Internet Explorer 6 SP1 on Windows…
Priority MEDIUM 56Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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 20060912, allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long URL in a GZIP-encoded website that was the target of an HTTP redirect, due to an incomplete fix for CVE-2006-3869.
Why it matters now
EPSS 0.29444 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:* | 6.0 sp1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:sp4:*:fr:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:64-bit:*:*:*:*:*:*:* | 64-bit | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:itanium:*:*:*:*:*:*:* | itanium | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:r2:*:*:*:*:*:*:* | r2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:sp1:*:*:*:*:*:*:* | sp1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:sp1:*:itanium:*:*:*:*:* | sp1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp1:tablet_pc:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp2:tablet_pc:*:*:*:*:* | all versions | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:* Versions 6.0 sp1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:sp4:*:fr:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:64-bit:*:*:*:*:*:*:* Versions 64-bit Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:itanium:*:*:*:*:*:*:* Versions itanium Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:sp1:*:*:*:*:*:*:* Versions sp1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:sp1:*:itanium:*:*:*:*:* Versions sp1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp1:tablet_pc:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp2:tablet_pc:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-3873
- 2026-10-03 Alias added: GHSA-p2jw-xr8p-fh9v
References
More Microsoft Ie vulnerabilities
- TI-2004-00947 Heap-based buffer overflow in Internet Explorer 6 allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-2004-00183 Stack-based buffer overflow in the Task Scheduler for Windows 2000 and XP, and Internet… CVSS 2.0HIGH 10.0
- TI-2007-00210 The wininet.dll FTP client code in Microsoft Internet Explorer 5.01 and 6 might allow… CVSS 2.0HIGH 10.0
- TI-2006-01313 Microsoft Internet Explorer 6 and 7 Beta 2 allows remote attackers to cause a denial of… CVSS 2.0HIGH 9.3
- TI-2006-01146 Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
- TI-2006-03617 Integer overflow in Microsoft Internet Explorer 6 on Windows XP SP2 allows remote… CVSS 3.1HIGH 8.8
Sources
- CVE-2006-3873 · CVE Program
- CVE-2006-3873 · NVD
- FIRST EPSS
- GHSA-p2jw-xr8p-fh9v · GitHub Advisory Database · CC BY 4.0
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