CVEs / CVE-2006-6334
CVE-2006-6334: n/a n/a vulnerability
- medium 6.8 CVSS 2.0 (NVD)
- EPSS 36.6% chance of exploitation in the next 30 days, higher than 98% of CVEs (5 Nov 2026)
- Last changed at its sources
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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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
Not in the CISA Known Exploited Vulnerabilities catalog as of 4 Nov 2026.
Severity
| CVSS 2.0 | 6.8 mediumAV:N/AC:M/Au:N/C:P/I:P/A:PScored by NVD |
|---|
References
- CVE-2006-6334 on NVD
- http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf
- http://secunia.com/advisories/23246 Vendor Advisory
- http://securityreason.com/securityalert/1995
- http://securitytracker.com/id?1017343 Patch, Vendor Advisory
- http://support.citrix.com/article/CTX111827 Exploit, Patch, Vendor Advisory
- http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755 Patch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/210969 US Government Resource
- http://www.securityfocus.com/archive/1/453760/100/0/threaded
- http://www.securityfocus.com/bid/21458 Vendor Advisory
- http://www.tippingpoint.com/security/advisories/TSRT-06-15.html Exploit, 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
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.