Out-of-bounds Read Affecting neutrinolabs/xrdp package, versions [,0.10.6.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-NEUTRINOLABSXRDP-18187955
- published22 Jul 2026
- disclosed20 Jul 2026
- creditUnknown
Introduced: 20 Jul 2026
CVE-2026-55639 (opens in a new tab)How to fix?
Upgrade neutrinolabs/xrdp to version 0.10.6.1 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read in the parsing of Client Security Data within the connection sequence due to insufficient length validation in the xrdp_sec_process_mcs_data_CS_SECURITY process. An attacker can access sensitive process memory contents by sending a specially crafted RDP packet containing malformed data.