{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55645", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T23:52:12.058Z", "datePublished": "2026-07-20T16:51:59.140Z", "dateUpdated": "2026-07-21T15:24:45.532Z"}, "containers": {"cna": {"title": "xrdp: Out-of-bounds read in Client Control PDU processing (xrdp_rdp_process_data_control)", "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-3m4m-h22g-c7xx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-3m4m-h22g-c7xx"}, {"name": "https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6.1"}], "affected": [{"vendor": "neutrinolabs", "product": "xrdp", "versions": [{"version": "< 0.10.6.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-20T16:51:59.140Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-3m4m-h22g-c7xx", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-21T15:23:55.354517Z", "id": "CVE-2026-55645", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T15:24:45.532Z"}}]}}

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