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CVE-2006-3840
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,…
Medium5.0EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (11)
- https://iss.custhelp.com/cgi-bin/iss.cfg/php/enduser/std_adp.php?p_faqid=3630 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20060727 NSFOCUS SA2006-07 : ISS RealSecure/BlackICE MailSlot Heap Overflow Detection Remote DoS Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://www.nsfocus.com/english/homepage/research/0607.htm (opens in a new tab)x_refsource_MISCx_transferred
- 21219 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2006-2996 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 1016592 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20060726 Protocol Parsing Bug in SMB Mailslot Parsing in ISS Products (opens in a new tab)third-party-advisoryx_refsource_ISSx_transferred
- 19178 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1016590 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- pam-smb-mailslot-dos(27965) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1016591 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2006-3840)Record last updated .