Vulnerability Description
xrdp is an open source RDP server. Versions through 0.10.5 contain an out-of-bounds read vulnerability during the RDP capability exchange phase. The issue occurs when memory is accessed before validating the remaining buffer length. A remote, unauthenticated attacker can trigger this vulnerability by sending a specially crafted Confirm Active PDU. Successful exploitation could lead to a denial of service (process crash) or potential disclosure of sensitive information from the process memory. This issue has been fixed in version 0.10.6.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Neutrinolabs | Xrdp | < 0.10.6 |
Related Weaknesses (CWE)
References
- https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6PatchRelease Notes
- https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-rvh9-9wm3-28c7Vendor Advisory
FAQ
What is CVE-2026-33516?
CVE-2026-33516 is a vulnerability with a CVSS score of 9.1 (CRITICAL). xrdp is an open source RDP server. Versions through 0.10.5 contain an out-of-bounds read vulnerability during the RDP capability exchange phase. The issue occurs when memory is accessed before validat...
How severe is CVE-2026-33516?
CVE-2026-33516 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-33516?
Check the references section above for vendor advisories and patch information. Affected products include: Neutrinolabs Xrdp.