Vulnerability Details CVE-2026-55645
xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the processing of Client Control PDUs. During the RDP connection sequence, the parser does not perform sufficient length validation before reading specific data fields from the network stream. A remote, unauthenticated attacker could potentially exploit this flaw by sending a specially crafted, truncated Client Control PDU. Due to missing bounds checks, the xrdp process may perform out-of-bounds memory reads, which can result in the termination of the service (Denial of Service). However, since xrdp forks a new process for each connection by default, an out-of-bounds read causing a process crash is unlikely to bring down the entire xrdp service.This issue has been fixed in version 0.10.6.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 20.8%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-55645
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cpe:2.3:a:neutrinolabs:xrdp:-
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cpe:2.3:a:neutrinolabs:xrdp:0.10.0
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cpe:2.3:a:neutrinolabs:xrdp:0.10.1
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cpe:2.3:a:neutrinolabs:xrdp:0.10.2
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cpe:2.3:a:neutrinolabs:xrdp:0.10.3
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cpe:2.3:a:neutrinolabs:xrdp:0.10.4
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cpe:2.3:a:neutrinolabs:xrdp:0.10.4.1
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cpe:2.3:a:neutrinolabs:xrdp:0.10.5
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cpe:2.3:a:neutrinolabs:xrdp:0.10.6
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cpe:2.3:a:neutrinolabs:xrdp:0.6.0
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cpe:2.3:a:neutrinolabs:xrdp:0.6.1
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cpe:2.3:a:neutrinolabs:xrdp:0.6.2
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cpe:2.3:a:neutrinolabs:xrdp:0.8.0
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cpe:2.3:a:neutrinolabs:xrdp:0.9.1
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cpe:2.3:a:neutrinolabs:xrdp:0.9.10
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cpe:2.3:a:neutrinolabs:xrdp:0.9.11
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cpe:2.3:a:neutrinolabs:xrdp:0.9.12
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cpe:2.3:a:neutrinolabs:xrdp:0.9.13
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cpe:2.3:a:neutrinolabs:xrdp:0.9.13.1
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cpe:2.3:a:neutrinolabs:xrdp:0.9.14
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cpe:2.3:a:neutrinolabs:xrdp:0.9.15
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cpe:2.3:a:neutrinolabs:xrdp:0.9.16
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cpe:2.3:a:neutrinolabs:xrdp:0.9.17
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cpe:2.3:a:neutrinolabs:xrdp:0.9.18
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cpe:2.3:a:neutrinolabs:xrdp:0.9.18.1
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cpe:2.3:a:neutrinolabs:xrdp:0.9.19
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cpe:2.3:a:neutrinolabs:xrdp:0.9.2
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cpe:2.3:a:neutrinolabs:xrdp:0.9.20
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cpe:2.3:a:neutrinolabs:xrdp:0.9.21
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cpe:2.3:a:neutrinolabs:xrdp:0.9.21.1
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cpe:2.3:a:neutrinolabs:xrdp:0.9.22
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cpe:2.3:a:neutrinolabs:xrdp:0.9.22.1
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cpe:2.3:a:neutrinolabs:xrdp:0.9.23
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cpe:2.3:a:neutrinolabs:xrdp:0.9.23.1
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cpe:2.3:a:neutrinolabs:xrdp:0.9.24
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cpe:2.3:a:neutrinolabs:xrdp:0.9.25
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cpe:2.3:a:neutrinolabs:xrdp:0.9.25.1
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cpe:2.3:a:neutrinolabs:xrdp:0.9.26
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cpe:2.3:a:neutrinolabs:xrdp:0.9.27
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cpe:2.3:a:neutrinolabs:xrdp:0.9.3
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cpe:2.3:a:neutrinolabs:xrdp:0.9.3.1
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cpe:2.3:a:neutrinolabs:xrdp:0.9.4
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cpe:2.3:a:neutrinolabs:xrdp:0.9.4.
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cpe:2.3:a:neutrinolabs:xrdp:0.9.5
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cpe:2.3:a:neutrinolabs:xrdp:0.9.6
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cpe:2.3:a:neutrinolabs:xrdp:0.9.7
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cpe:2.3:a:neutrinolabs:xrdp:0.9.8
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cpe:2.3:a:neutrinolabs:xrdp:0.9.9