UBUNTU-CVE-2017-13721

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Source
https://ubuntu.com/security/CVE-2017-13721
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-13721.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2017-13721
Upstream
Downstream
Related
Published
2017-10-09T00:00:00Z
Modified
2025-09-08T16:44:25Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.

References

Affected packages

Ubuntu:14.04:LTS / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/ubuntu/xorg-server@2:1.15.1-0ubuntu2.10?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.15.1-0ubuntu2.10

Affected versions

2:1.*

2:1.14.3-3ubuntu2
2:1.14.3-3ubuntu3
2:1.14.3-3ubuntu4
2:1.14.3-5ubuntu1
2:1.14.4-1ubuntu1
2:1.14.4-1ubuntu2
2:1.14.4.901-0ubuntu2
2:1.14.5-1ubuntu2
2:1.14.5-1ubuntu4
2:1.15.0-1ubuntu1
2:1.15.0-1ubuntu2
2:1.15.0-1ubuntu3
2:1.15.0-1ubuntu4
2:1.15.0-1ubuntu6
2:1.15.0-1ubuntu7
2:1.15.1-0ubuntu1
2:1.15.1-0ubuntu2
2:1.15.1-0ubuntu2.1
2:1.15.1-0ubuntu2.4
2:1.15.1-0ubuntu2.5
2:1.15.1-0ubuntu2.6
2:1.15.1-0ubuntu2.7
2:1.15.1-0ubuntu2.9

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xdmx",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xdmx-tools",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xnest",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xorg-server-source",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xserver-common",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xserver-xephyr",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xserver-xorg-core",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xserver-xorg-dev",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xserver-xorg-xmir",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        },
        {
            "binary_name": "xvfb",
            "binary_version": "2:1.15.1-0ubuntu2.10"
        }
    ]
}

Ubuntu:14.04:LTS / xorg-server-lts-xenial

Package

Name
xorg-server-lts-xenial
Purl
pkg:deb/ubuntu/xorg-server-lts-xenial@2:1.18.3-1ubuntu2.3~trusty3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.18.3-1ubuntu2.3~trusty3

Affected versions

2:1.*

2:1.18.3-1ubuntu2.2~trusty1
2:1.18.3-1ubuntu2.2~trusty2
2:1.18.3-1ubuntu2.2~trusty3
2:1.18.3-1ubuntu2.3~trusty1
2:1.18.3-1ubuntu2.3~trusty2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xorg-server-source-lts-xenial",
            "binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
        },
        {
            "binary_name": "xserver-xephyr-lts-xenial",
            "binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
        },
        {
            "binary_name": "xserver-xorg-core-lts-xenial",
            "binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
        },
        {
            "binary_name": "xserver-xorg-dev-lts-xenial",
            "binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
        },
        {
            "binary_name": "xwayland-lts-xenial",
            "binary_version": "2:1.18.3-1ubuntu2.3~trusty3"
        }
    ]
}

Ubuntu:16.04:LTS / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/ubuntu/xorg-server@2:1.18.4-0ubuntu0.6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.18.4-0ubuntu0.6

Affected versions

2:1.*

2:1.17.2-1ubuntu9
2:1.17.2-1ubuntu10
2:1.17.3-2ubuntu1
2:1.17.3-2ubuntu2
2:1.17.3-2ubuntu3
2:1.17.3-2ubuntu4
2:1.18.1-1ubuntu3
2:1.18.1-1ubuntu4
2:1.18.3-1ubuntu1
2:1.18.3-1ubuntu2
2:1.18.3-1ubuntu2.2
2:1.18.3-1ubuntu2.3
2:1.18.4-0ubuntu0.1
2:1.18.4-0ubuntu0.2
2:1.18.4-0ubuntu0.3
2:1.18.4-0ubuntu0.4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xdmx",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xdmx-tools",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xmir",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xnest",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xorg-server-source",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xserver-common",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xserver-xephyr",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xserver-xorg-core",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xserver-xorg-dev",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xserver-xorg-legacy",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xserver-xorg-xmir",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xvfb",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        },
        {
            "binary_name": "xwayland",
            "binary_version": "2:1.18.4-0ubuntu0.6"
        }
    ]
}

Ubuntu:16.04:LTS / xorg-server-hwe-16.04

Package

Name
xorg-server-hwe-16.04
Purl
pkg:deb/ubuntu/xorg-server-hwe-16.04@2:1.19.3-1ubuntu1~16.04.3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.19.3-1ubuntu1~16.04.3

Affected versions

2:1.*

2:1.18.4-1ubuntu6.1~16.04.1
2:1.18.4-1ubuntu6.1~16.04.2
2:1.19.3-1ubuntu1~16.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "xmir-hwe-16.04",
            "binary_version": "2:1.19.3-1ubuntu1~16.04.3"
        },
        {
            "binary_name": "xorg-server-source-hwe-16.04",
            "binary_version": "2:1.19.3-1ubuntu1~16.04.3"
        },
        {
            "binary_name": "xserver-xephyr-hwe-16.04",
            "binary_version": "2:1.19.3-1ubuntu1~16.04.3"
        },
        {
            "binary_name": "xserver-xorg-core-hwe-16.04",
            "binary_version": "2:1.19.3-1ubuntu1~16.04.3"
        },
        {
            "binary_name": "xserver-xorg-dev-hwe-16.04",
            "binary_version": "2:1.19.3-1ubuntu1~16.04.3"
        },
        {
            "binary_name": "xserver-xorg-legacy-hwe-16.04",
            "binary_version": "2:1.19.3-1ubuntu1~16.04.3"
        },
        {
            "binary_name": "xwayland-hwe-16.04",
            "binary_version": "2:1.19.3-1ubuntu1~16.04.3"
        }
    ]
}