CVE-2006-6334: citrix presentation_server_client
Vulnerability summary
CVE-2006-6334 is a medium (CVSS 6.8) vulnerability in citrix presentation_server_client. EPSS estimates a 34.83% chance of exploitation in the next 30 days, higher than 98.4% of scored vulnerabilities. 3 public exploits are recorded.
Timeline
- 08-12-2006PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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 metrics
1 score · 1 source · 1 versionEPSS trend
Probability
34.83%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 34.83% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (tippingpoint.com)
Maturity: unknown
Exploit Reference (support.citrix.com)
Maturity: unknown
Citrix Presentation Server Client - 'WFICA.OCX' ActiveX Heap Buffer Overflow
Maturity: weaponized
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Citrix1 product
- presentation_server_client≤ 9.200
1 vendor · 1 product
References
13 links- fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdfX Refsource MISC