UBUNTU-CVE-2017-13721

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    UBUNTU-CVE-2017-13721

    Published: 9 Oct 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-13721
    Aliases:
    USN-3453-1

    Summary:

    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: https://ubuntu.com/security/CVE-2017-13721, http://seclists.org/oss-sec/2017/q4/31, https://ubuntu.com/security/notices/USN-3453-1, https://www.cve.org/CVERecord?id=CVE-2017-13721

    Affected packages

    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- 0
    Fixed -2:1.15.1-0ubuntu2.10

    Affected versions

    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2017-13721 | CVE-DB