TI-2006-06083 Aliases CVE-2006-6334 GHSA-mrvm-74cr-9fh4

Heap-based buffer overflow in the SendChannelData function in wfica.ocx in Citrix…

MEDIUM 56Published 2006-12-08 · Updated 2024-08-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: —
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.3663 98th percentileScored 2026-11-07

Public exploit Yes 3 exploit referencesTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:citrix:presentation_server_client:::windows:::::*	up to 9.200	Vulnerable	Citrix

cpe:2.3:a:citrix:presentation_server_client:*:*:windows:*:*:*:*:* Versions up to 9.200 Vulnerable ·Citrix

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2006-6334
2026-10-03 Alias added: GHSA-mrvm-74cr-9fh4

References

Exploit 3

Patch 1

http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755

Advisory 2

Other 2

TI-2007-01163 Unspecified vulnerability in Citrix Presentation Server Client for Windows before 10.0… CVSS 2.0HIGH 9.3
TI-2008-06251 Citrix Presentation Server Client for Windows before 10.200 does not clear "credential… CVSS 2.0LOW 1.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences