cvedb.io
CVE-2026-33689
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2026-04-17T21:16:32.963 · Last modified 2026-06-17T10:37:55.833

Summary

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.

Affected products

neutrinolabs — xrdp

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.