CVE-2006-6334
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 34.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 34.83% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 12 February 2008
- CISA KEV
- Not listed
- Affected
- citrix/presentation server client
- Source
- cve@mitre.org
EPSS 34.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.