CVE-2026-33689

9.1 CRITICAL
Published: April 17, 2026 Modified: April 27, 2026
View on NVD

Description

xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can trigger this flaw by sending a specially crafted sequence of packets during the initial connection phase. This vulnerability results from insufficient validation of input buffer lengths before processing dynamic channel communication. Successful exploitation can lead to a denial-of-service (DoS) condition via a process crash or potential disclosure of sensitive information from the service's memory space. This issue has been fixed in version 0.10.6.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6
Source: security-advisories@github.com
Patch Release Notes
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-92mr-6wpp-27jj
Source: security-advisories@github.com
Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
0.2%
38th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

neutrinolabs