Vulnerability Description
Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service (TCP outage) via a series of TCP sessions that have pending data and a (1) small or (2) zero receive window size, and remain in the FIN-WAIT-1 or FIN-WAIT-2 state indefinitely, aka "TCP/IP Orphaned Connections Vulnerability."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 2000 | - |
| Microsoft | Windows Server 2003 | All versions |
| Microsoft | Windows Server 2008 | All versions |
| Microsoft | Windows Vista | All versions |
| Microsoft | Windows Xp | All versions |
References
- http://osvdb.org/57797
- http://www.recurity-labs.com/content/pub/Microsoft_Windows_CVE-2009-1926
- http://www.securityfocus.com/archive/1/506331/100/0/threaded
- http://www.securityfocus.com/bid/36269
- http://www.us-cert.gov/cas/techalerts/TA09-251A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-04
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://osvdb.org/57797
- http://www.recurity-labs.com/content/pub/Microsoft_Windows_CVE-2009-1926
- http://www.securityfocus.com/archive/1/506331/100/0/threaded
- http://www.securityfocus.com/bid/36269
- http://www.us-cert.gov/cas/techalerts/TA09-251A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-04
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2009-1926?
CVE-2009-1926 is a vulnerability with a CVSS score of 7.8 (HIGH). Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service (TCP outage) via a series of TCP...
How severe is CVE-2009-1926?
CVE-2009-1926 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-1926?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 2000, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.