xrdp: Pre-authentication out-of-bounds reads in channel parsers_CVE-2026-33689

{
    "lastseen": "",
    "description": "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.",
    "published": "2026-04-17T20:16:31.248Z",
    "modified": "2026-04-17T20:16:31.248Z",
    "type": "cve",
    "title": "xrdp: Pre-authentication out-of-bounds reads in channel parsers",
    "source": "GitHub_M",
    "references": "https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-92mr-6wpp-27jj\nhttps://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6",
    "id": "CVE-2026-33689",
    "bulletinFamily": "",
    "cwe": [
        "CWE-125"
    ],
    "cvelist": null,
    "sourceData": "neutrinolabs xrdp < 0.10.6",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "xrdp",
    "version": "< 0.10.6",
    "vendor": "neutrinolabs",
    "ai_description": "Out-of-bounds read vulnerability in pre-authentication RDP message parsing logic",
    "ai_severity": "High",
    "ai_vendor": "neutrinolabs",
    "ai_product": "xrdp",
    "ai_version": "0.10.5 and earlier",
    "ai_score": 8.7
}