{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-4009",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "xorg-x11-server",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "xorg-x11-server 21.1.2, xorg-x11-server 1.20.14"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-119"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://lists.x.org/archives/xorg-announce/2021-December/003122.html",
                "url": "https://lists.x.org/archives/xorg-announce/2021-December/003122.html"
            },
            {
                "refsource": "MISC",
                "name": "https://lists.x.org/archives/xorg-announce/2021-December/003124.html",
                "url": "https://lists.x.org/archives/xorg-announce/2021-December/003124.html"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-2eb603951b",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-a7fd510294",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/"
            },
            {
                "refsource": "MISC",
                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-1548/",
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1548/"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-5027",
                "url": "https://www.debian.org/security/2021/dsa-5027"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211229 [SECURITY] [DLA 2869-1] xorg-server security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-69e96c8f68",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-664a6554a1",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."
            }
        ]
    }
}