CVE-2006-3840

Name: CVE-2006-3840
Creator: NVD / NIST
Published: 2006-07-27T11:04:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.34%

Last modified Jun 16, 2026

CVE-2006-3840 is a vulnerability of currently unknown severity. The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x.x.x.1780), including Proventia A, G, M, Server, and Desktop, BlackICE PC and Server Protection 3.6, and RealSecure 7.0, allows remote attackers to cause a denial of service (infinite loop) via a crafted SMB packet that is not properly handled by the SMB_Mailslot_Heap_Overflow decode.. EPSS estimates a 2.34% chance of exploitation in the next 30 days.

Description

The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x.x.x.1780), including Proventia A, G, M, Server, and Desktop, BlackICE PC and Server Protection 3.6, and RealSecure 7.0, allows remote attackers to cause a denial of service (infinite loop) via a crafted SMB packet that is not properly handled by the SMB_Mailslot_Heap_Overflow decode.

Metrics

EPSS Probability

2.34%

81.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Iss	Blackice Pc Protection	3.6cpk
Iss	Blackice Server Protection	3.6cpk
Iss	Proventia Desktop	8.0.675.1790
Iss	Proventia Desktop	8.0.812.1790
Iss	Realsecure Desktop	7.0epk
Iss	Realsecure Network	7.0
Iss	Realsecure Server Sensor	7.0
Iss	Proventia A Series Xpu	All versions
Iss	Proventia G Series Xpu	All versions
Iss	Proventia M Series Xpu	All versions
Iss	Proventia Server	1.0.914.1880

References

Timeline

Published: Jul 27, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-3840?

How severe is CVE-2006-3840?

Severity scoring for CVE-2006-3840 is pending analysis. The EPSS model estimates a 2.34% probability of exploitation in the next 30 days.

How do I fix CVE-2006-3840?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-3840?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST