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Vulnerability record · CVE-2025-68670 · published 27 January 2026

CVE-2025-68670: Neutrinolabs xrdp stack-based buffer overflow vulnerability

NNeutrinolabs · Xrdp

xrdp is an open source RDP server. xrdp before v0.10.5 contains an unauthenticated stack-based buffer overflow vulnerability. The issue stems from improper bounds checking when processing user domain information during the connection sequence. If exploited, the vulnerability could allow remote attackers to execute arbitrary code on the target system. The vulnerability allows an attacker to overwrite the stack buffer and the return address, which could theoretically be used to redirect the execution flow. The impact of this vulnerability is lessened if a compiler flag has been used to build the xrdp executable with stack canary protection. If this is the case, a second vulnerability would need to be used to leak the stack canary value. Upgrade to version 0.10.5 to receive a patch. Additionally, do not rely on stack canary protection on production systems.

9.8 CVSS 3.1 Critical EPSS 1.4% · top 28.8% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

xrdp is an open source RDP server. xrdp before v0.10.5 contains an unauthenticated stack-based buffer overflow vulnerability. The issue stems from improper bounds checking when processing user domain information during the connection sequence. If exploited, the vulnerability could allow remote attackers to execute arbitrary code on the target system. The vulnerability allows an attacker to overwrite the stack buffer and the return address, which could theoretically be used to redirect the execution flow. The impact of this vulnerability is lessened if a compiler flag has been used to build the xrdp executable with stack canary protection. If this is the case, a second vulnerability would need to be used to leak the stack canary value. Upgrade to version 0.10.5 to receive a patch. Additionally, do not rely on stack canary protection on production systems.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/neutrinolabs/xrdp/commit/488c8c7d4d189514a366cd8301b6e816c5218ffa Patch
https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.5 ProductRelease Notes
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-rwvg-gp87-gh6f Vendor Advisory
https://lists.debian.org/debian-lts-announce/2026/02/msg00003.html Mailing List

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Source: NIST National Vulnerability Database (record CVE-2025-68670), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.