CVE-2006-3942
The server driver (srv.sys) in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to cause a denial of service (system crash) via an SMB_COM_TRANSACTION SMB message that contains a string without null character termination, which leads to a NULL dereference in the ExecuteTransaction function, possibly related to an "SMB PIPE," aka the "Mailslot DOS" vulnerability. NOTE: the name "Mailslot DOS" was derived from incomplete initial research; the vulnerability is not associated with a mailslot.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-20
- EPSS score
- 75.0% (100th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-3935)
- Published
- July 31, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-3935 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows 2000
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows xp
- microsoft / windows xp
- microsoft / windows xp
References
- http://blogs.technet.com/msrc/archive/2006/07/28/443837.aspx
- http://secunia.com/advisories/21276(Vendor Advisory)
- http://securitytracker.com/id?1016606
- http://securitytracker.com/id?1017035
- http://www.coresecurity.com/common/showdoc.php?idx=562&idxseccion=10
- http://www.osvdb.org/27644
- http://www.securityfocus.com/archive/1/443287/100/200/threaded
- http://www.securityfocus.com/archive/1/449179/100/0/threaded
- http://www.securityfocus.com/bid/19215
- http://www.vupen.com/english/advisories/2006/3037(Vendor Advisory)
- http://xforce.iss.net/xforce/alerts/id/231
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-063
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27999
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A428
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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