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vuln-ubuntu/data/osv/cve/2021/UBUNTU-CVE-2021-4010.json
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{
"schema_version": "1.7.0",
"id": "UBUNTU-CVE-2021-4010",
"details": "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 SProcScreenSaverSuspend function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"aliases": [],
"upstream": [
"CVE-2021-4010"
],
"related": [
"USN-5193-1"
],
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"published": "2021-12-14T12:00:00Z",
"modified": "2026-04-22T07:39:50Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "xorg-server-hwe-18.04",
"purl": "pkg:deb/ubuntu/xorg-server-hwe-18.04@2:1.20.8-2ubuntu2.2~18.04.6?arch=source&distro=bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.20.8-2ubuntu2.2~18.04.6"
}
]
}
],
"versions": [
"2:1.20.1-3ubuntu2.1~18.04.1",
"2:1.20.4-1ubuntu3~18.04.1",
"2:1.20.5+git20191008-0ubuntu1~18.04.1",
"2:1.20.8-2ubuntu2.1~18.04.1",
"2:1.20.8-2ubuntu2.2~18.04.1",
"2:1.20.8-2ubuntu2.2~18.04.2",
"2:1.20.8-2ubuntu2.2~18.04.3",
"2:1.20.8-2ubuntu2.2~18.04.4",
"2:1.20.8-2ubuntu2.2~18.04.5"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xorg-server-source-hwe-18.04",
"binary_version": "2:1.20.8-2ubuntu2.2~18.04.6"
},
{
"binary_name": "xserver-xephyr-hwe-18.04",
"binary_version": "2:1.20.8-2ubuntu2.2~18.04.6"
},
{
"binary_name": "xserver-xorg-core-hwe-18.04",
"binary_version": "2:1.20.8-2ubuntu2.2~18.04.6"
},
{
"binary_name": "xserver-xorg-dev-hwe-18.04",
"binary_version": "2:1.20.8-2ubuntu2.2~18.04.6"
},
{
"binary_name": "xserver-xorg-legacy-hwe-18.04",
"binary_version": "2:1.20.8-2ubuntu2.2~18.04.6"
},
{
"binary_name": "xwayland-hwe-18.04",
"binary_version": "2:1.20.8-2ubuntu2.2~18.04.6"
}
],
"availability": "No subscription required"
}
},
{
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "xorg-server",
"purl": "pkg:deb/ubuntu/xorg-server@2:1.20.13-1ubuntu1~20.04.2?arch=source&distro=focal"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.20.13-1ubuntu1~20.04.2"
}
]
}
],
"versions": [
"2:1.20.5+git20191008-0ubuntu1",
"2:1.20.6-1ubuntu1",
"2:1.20.7-2ubuntu1",
"2:1.20.7-2ubuntu2",
"2:1.20.8-2ubuntu2",
"2:1.20.8-2ubuntu2.1",
"2:1.20.8-2ubuntu2.2",
"2:1.20.8-2ubuntu2.3",
"2:1.20.8-2ubuntu2.4",
"2:1.20.8-2ubuntu2.6",
"2:1.20.9-2ubuntu1.1~20.04.1",
"2:1.20.9-2ubuntu1.2~20.04.1",
"2:1.20.9-2ubuntu1.2~20.04.2",
"2:1.20.11-1ubuntu1~20.04.2"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xdmx",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xdmx-tools",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xnest",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xorg-server-source",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xserver-common",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xserver-xephyr",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xserver-xorg-core",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xserver-xorg-legacy",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xvfb",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
},
{
"binary_name": "xwayland",
"binary_version": "2:1.20.13-1ubuntu1~20.04.2"
}
],
"availability": "No subscription required"
}
},
{
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "xorg-server",
"purl": "pkg:deb/ubuntu/xorg-server@2:1.20.13-1ubuntu2?arch=source&distro=jammy"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.20.13-1ubuntu2"
}
]
}
],
"versions": [
"2:1.20.13-1ubuntu1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xdmx",
"binary_version": "2:1.20.13-1ubuntu2"
},
{
"binary_name": "xdmx-tools",
"binary_version": "2:1.20.13-1ubuntu2"
},
{
"binary_name": "xnest",
"binary_version": "2:1.20.13-1ubuntu2"
},
{
"binary_name": "xorg-server-source",
"binary_version": "2:1.20.13-1ubuntu2"
},
{
"binary_name": "xserver-common",
"binary_version": "2:1.20.13-1ubuntu2"
},
{
"binary_name": "xserver-xephyr",
"binary_version": "2:1.20.13-1ubuntu2"
},
{
"binary_name": "xserver-xorg-core",
"binary_version": "2:1.20.13-1ubuntu2"
},
{
"binary_name": "xserver-xorg-legacy",
"binary_version": "2:1.20.13-1ubuntu2"
},
{
"binary_name": "xvfb",
"binary_version": "2:1.20.13-1ubuntu2"
}
],
"availability": "No subscription required"
}
},
{
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "xwayland",
"purl": "pkg:deb/ubuntu/xwayland@2:21.1.3-1ubuntu1?arch=source&distro=jammy"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:21.1.3-1ubuntu1"
}
]
}
],
"versions": [
"2:21.1.2-0ubuntu1",
"2:21.1.3-1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "xwayland",
"binary_version": "2:21.1.3-1ubuntu1"
}
],
"availability": "No subscription required"
}
}
],
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-4010"
},
{
"type": "REPORT",
"url": "https://www.openwall.com/lists/oss-security/2021/12/14/1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5193-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4010"
}
]
}
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