CVE-2006-6334

Name: CVE-2006-6334
Creator: NVD / NIST
Published: 2006-12-08T01:28:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 34.40%

Last modified Jun 16, 2026

CVE-2006-6334 is a vulnerability of currently unknown severity. Heap-based buffer overflow in the SendChannelData function in wfica.ocx in Citrix Presentation Server Client before 9.230 for Windows allows remote malicious web sites to execute arbitrary code via a DataSize parameter that is less than the length of the Data buffer.. EPSS estimates a 34.40% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the SendChannelData function in wfica.ocx in Citrix Presentation Server Client before 9.230 for Windows allows remote malicious web sites to execute arbitrary code via a DataSize parameter that is less than the length of the Data buffer.

Metrics

EPSS Probability

34.40%

98.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Citrix	Presentation Server Client	<= 9.200

References

http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf
http://secunia.com/advisories/23246Vendor Advisory
http://securityreason.com/securityalert/1995
http://securitytracker.com/id?1017343Patch, Vendor Advisory
http://support.citrix.com/article/CTX111827Exploit, Patch, Vendor Advisory
http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755Patch, Vendor Advisory
http://www.kb.cert.org/vuls/id/210969US Government Resource
http://www.securityfocus.com/archive/1/453760/100/0/threaded
http://www.securityfocus.com/bid/21458Vendor Advisory
http://www.tippingpoint.com/security/advisories/TSRT-06-15.htmlExploit, Patch, Vendor Advisory
http://www.vupen.com/english/advisories/2006/4865
https://exchange.xforce.ibmcloud.com/vulnerabilities/30740
https://www.exploit-db.com/exploits/5106
http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf
http://secunia.com/advisories/23246Vendor Advisory
http://securityreason.com/securityalert/1995
http://securitytracker.com/id?1017343Patch, Vendor Advisory
http://support.citrix.com/article/CTX111827Exploit, Patch, Vendor Advisory
http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755Patch, Vendor Advisory
http://www.kb.cert.org/vuls/id/210969US Government Resource
http://www.securityfocus.com/archive/1/453760/100/0/threaded
http://www.securityfocus.com/bid/21458Vendor Advisory
http://www.tippingpoint.com/security/advisories/TSRT-06-15.htmlExploit, Patch, Vendor Advisory
http://www.vupen.com/english/advisories/2006/4865
https://exchange.xforce.ibmcloud.com/vulnerabilities/30740
https://www.exploit-db.com/exploits/5106

Timeline

Published: Dec 8, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-6334?

How severe is CVE-2006-6334?

Severity scoring for CVE-2006-6334 is pending analysis. The EPSS model estimates a 34.40% probability of exploitation in the next 30 days.

How do I fix CVE-2006-6334?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-6334?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST