USN-7846-1

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Source
https://ubuntu.com/security/notices/USN-7846-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7846-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7846-1
Upstream
Related
Published
2025-10-29T11:49:03Z
Modified
2026-04-27T18:23:58.884325Z
Summary
xorg-server, xwayland vulnerabilities
Details

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use these issues to cause the X Server to crash, leading to a denial of service, obtain sensitive information, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:22.04:LTS
xorg-server

Package

Name
xorg-server
Purl
pkg:deb/ubuntu/xorg-server@2:21.1.4-2ubuntu1.7~22.04.16?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:21.1.4-2ubuntu1.7~22.04.16

Affected versions

2:1.*
2:1.20.13-1ubuntu1
2:1.20.13-1ubuntu2
2:1.20.14-1ubuntu1
2:21.*
2:21.1.3-2ubuntu2
2:21.1.3-2ubuntu2.1
2:21.1.3-2ubuntu2.2
2:21.1.3-2ubuntu2.3
2:21.1.3-2ubuntu2.4
2:21.1.3-2ubuntu2.5
2:21.1.3-2ubuntu2.6
2:21.1.3-2ubuntu2.7
2:21.1.3-2ubuntu2.8
2:21.1.3-2ubuntu2.9
2:21.1.4-2ubuntu1.7~22.04.1
2:21.1.4-2ubuntu1.7~22.04.2
2:21.1.4-2ubuntu1.7~22.04.5
2:21.1.4-2ubuntu1.7~22.04.7
2:21.1.4-2ubuntu1.7~22.04.8
2:21.1.4-2ubuntu1.7~22.04.9
2:21.1.4-2ubuntu1.7~22.04.10
2:21.1.4-2ubuntu1.7~22.04.11
2:21.1.4-2ubuntu1.7~22.04.12
2:21.1.4-2ubuntu1.7~22.04.13
2:21.1.4-2ubuntu1.7~22.04.14
2:21.1.4-2ubuntu1.7~22.04.15

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xnest",
            "binary_version": "2:21.1.4-2ubuntu1.7~22.04.16"
        },
        {
            "binary_name": "xorg-server-source",
            "binary_version": "2:21.1.4-2ubuntu1.7~22.04.16"
        },
        {
            "binary_name": "xserver-common",
            "binary_version": "2:21.1.4-2ubuntu1.7~22.04.16"
        },
        {
            "binary_name": "xserver-xephyr",
            "binary_version": "2:21.1.4-2ubuntu1.7~22.04.16"
        },
        {
            "binary_name": "xserver-xorg-core",
            "binary_version": "2:21.1.4-2ubuntu1.7~22.04.16"
        },
        {
            "binary_name": "xserver-xorg-legacy",
            "binary_version": "2:21.1.4-2ubuntu1.7~22.04.16"
        },
        {
            "binary_name": "xvfb",
            "binary_version": "2:21.1.4-2ubuntu1.7~22.04.16"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7846-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62229"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62230"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62231"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
xwayland

Package

Name
xwayland
Purl
pkg:deb/ubuntu/xwayland@2:22.1.1-1ubuntu0.20?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:22.1.1-1ubuntu0.20

Affected versions

2:21.*
2:21.1.2-0ubuntu1
2:21.1.3-1
2:21.1.3-1ubuntu1
2:21.1.4-1
2:22.*
2:22.1.0-1
2:22.1.1-1
2:22.1.1-1ubuntu0.1
2:22.1.1-1ubuntu0.2
2:22.1.1-1ubuntu0.3
2:22.1.1-1ubuntu0.4
2:22.1.1-1ubuntu0.5
2:22.1.1-1ubuntu0.6
2:22.1.1-1ubuntu0.7
2:22.1.1-1ubuntu0.9
2:22.1.1-1ubuntu0.10
2:22.1.1-1ubuntu0.11
2:22.1.1-1ubuntu0.12
2:22.1.1-1ubuntu0.13
2:22.1.1-1ubuntu0.14
2:22.1.1-1ubuntu0.15
2:22.1.1-1ubuntu0.17
2:22.1.1-1ubuntu0.18
2:22.1.1-1ubuntu0.19

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xwayland",
            "binary_version": "2:22.1.1-1ubuntu0.20"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7846-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62229"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62230"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62231"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
Ubuntu:24.04:LTS
xorg-server

Package

Name
xorg-server
Purl
pkg:deb/ubuntu/xorg-server@2:21.1.12-1ubuntu1.5?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:21.1.12-1ubuntu1.5

Affected versions

2:21.*
2:21.1.7-3ubuntu2
2:21.1.7-3ubuntu2.1
2:21.1.10-1ubuntu1
2:21.1.11-2ubuntu1
2:21.1.12-1ubuntu1
2:21.1.12-1ubuntu1.1
2:21.1.12-1ubuntu1.2
2:21.1.12-1ubuntu1.3
2:21.1.12-1ubuntu1.4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xnest",
            "binary_version": "2:21.1.12-1ubuntu1.5"
        },
        {
            "binary_name": "xorg-server-source",
            "binary_version": "2:21.1.12-1ubuntu1.5"
        },
        {
            "binary_name": "xserver-common",
            "binary_version": "2:21.1.12-1ubuntu1.5"
        },
        {
            "binary_name": "xserver-xephyr",
            "binary_version": "2:21.1.12-1ubuntu1.5"
        },
        {
            "binary_name": "xserver-xorg-core",
            "binary_version": "2:21.1.12-1ubuntu1.5"
        },
        {
            "binary_name": "xserver-xorg-legacy",
            "binary_version": "2:21.1.12-1ubuntu1.5"
        },
        {
            "binary_name": "xvfb",
            "binary_version": "2:21.1.12-1ubuntu1.5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7846-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62229"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62230"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62231"
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
xwayland

Package

Name
xwayland
Purl
pkg:deb/ubuntu/xwayland@2:23.2.6-1ubuntu0.7?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:23.2.6-1ubuntu0.7

Affected versions

2:23.*
2:23.2.0-1
2:23.2.0-1ubuntu0.1
2:23.2.3-1
2:23.2.4-1
2:23.2.4-1build1
2:23.2.4-1build2
2:23.2.4-1build3
2:23.2.6-1
2:23.2.6-1ubuntu0.1
2:23.2.6-1ubuntu0.2
2:23.2.6-1ubuntu0.4
2:23.2.6-1ubuntu0.5
2:23.2.6-1ubuntu0.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xwayland",
            "binary_version": "2:23.2.6-1ubuntu0.7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7846-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62229"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62230"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62231"
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
Ubuntu:25.10
xorg-server

Package

Name
xorg-server
Purl
pkg:deb/ubuntu/xorg-server@2:21.1.18-1ubuntu1.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:21.1.18-1ubuntu1.1

Affected versions

2:21.*
2:21.1.16-1ubuntu1
2:21.1.18-1ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xnest",
            "binary_version": "2:21.1.18-1ubuntu1.1"
        },
        {
            "binary_name": "xorg-server-source",
            "binary_version": "2:21.1.18-1ubuntu1.1"
        },
        {
            "binary_name": "xserver-common",
            "binary_version": "2:21.1.18-1ubuntu1.1"
        },
        {
            "binary_name": "xserver-xephyr",
            "binary_version": "2:21.1.18-1ubuntu1.1"
        },
        {
            "binary_name": "xserver-xorg-core",
            "binary_version": "2:21.1.18-1ubuntu1.1"
        },
        {
            "binary_name": "xserver-xorg-legacy",
            "binary_version": "2:21.1.18-1ubuntu1.1"
        },
        {
            "binary_name": "xvfb",
            "binary_version": "2:21.1.18-1ubuntu1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7846-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62229"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62230"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62231"
        }
    ],
    "ecosystem": "Ubuntu:25.10"
}
xwayland

Package

Name
xwayland
Purl
pkg:deb/ubuntu/xwayland@2:24.1.6-1ubuntu1.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:24.1.6-1ubuntu1.1

Affected versions

2:24.*
2:24.1.6-1
2:24.1.6-1ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xwayland",
            "binary_version": "2:24.1.6-1ubuntu1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7846-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62229"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62230"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-62231"
        }
    ],
    "ecosystem": "Ubuntu:25.10"
}