CVE-2006-6334

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 34.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-12-08 · updated 2026-06-16

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.

Affected products

Citrix Presentation Server Client: through 9.200

References

http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf
http://secunia.com/advisories/23246
http://securityreason.com/securityalert/1995
http://securitytracker.com/id?1017343
http://support.citrix.com/article/CTX111827
http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755
http://www.kb.cert.org/vuls/id/210969
http://www.securityfocus.com/archive/1/453760/100/0/threaded
http://www.securityfocus.com/bid/21458
http://www.tippingpoint.com/security/advisories/TSRT-06-15.html
http://www.vupen.com/english/advisories/2006/4865
https://exchange.xforce.ibmcloud.com/vulnerabilities/30740

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