CVE-2006-5614

Severity: low (CVSS 2.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 79.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-10-31 · updated 2026-06-16

Description

Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.

Affected products

Microsoft Windows Nt Helper Components: all versions
Microsoft Windows XP Service Pack 3: all versions

References

http://research.eeye.com/html/alerts/zeroday/20061028.html
http://secunia.com/advisories/22592
http://securitytracker.com/id?1017133
http://www.osvdb.org/30096
http://www.securityfocus.com/bid/20804
http://www.vupen.com/english/advisories/2006/4248
https://exchange.xforce.ibmcloud.com/vulnerabilities/29917
https://www.exploit-db.com/exploits/2672
http://research.eeye.com/html/alerts/zeroday/20061028.html
http://secunia.com/advisories/22592
http://securitytracker.com/id?1017133
http://www.osvdb.org/30096

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