CVE-2009-1926

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."

7.8

CVSS

Severity: High

CVSS 2.0 •

EPSS 70.37% Top 5%

Vendor Advisory microsoft.com

Affected: n/a n/a

References

Link	Tags
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5965	vdb entry signature
http://www.recurity-labs.com/content/pub/Microsoft_Windows_CVE-2009-1926
http://www.securityfocus.com/bid/36269	vdb entry
http://osvdb.org/57797	vdb entry
http://www.us-cert.gov/cas/techalerts/TA09-251A.html	third party advisory us government resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-048	vendor advisory
http://www.securityfocus.com/archive/1/506331/100/0/threaded	mailing list

Frequently Asked Questions

What is the severity of CVE-2009-1926?: CVE-2009-1926 has been scored as a high severity vulnerability.
How to fix CVE-2009-1926?: To fix CVE-2009-1926, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1926 being actively exploited in the wild?: It is possible that CVE-2009-1926 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~70% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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