CVE-2026-33516 Details
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.
A out-of-bounds read vulnerability has been identified in xrdp, an open-source RDP server, in versions prior to 0.10.6. The vulnerability occurs during the RDP capability exchange phase, where memory is accessed without proper validation of the remaining buffer length. This flaw allows remote, unauthenticated attackers to send specially crafted Confirm Active PDUs, potentially leading to a process crash (denial-of-service) or unauthorized disclosure of sensitive information from the process memory.
Users can upgrade to xrdp version 0.10.6 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 20, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6 | [email protected] | PatchRelease Notes |
| https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-rvh9-9wm3-28c7 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| neutrinolabs xrdp | < 0.10.6 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 27, 2026 | Initial Analysis | [email protected] |
| Apr 17, 2026 | New CVE Received | [email protected] |