UBUNTU-CVE-2018-14600

    Dashboard / Vulnerabilities / UBUNTU-CVE-2018-14600

    UBUNTU-CVE-2018-14600

    Published: 24 Aug 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-14600

    Summary:

    Details: An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.

    References: https://ubuntu.com/security/CVE-2018-14600, https://ubuntu.com/security/notices/USN-3758-2, https://ubuntu.com/security/notices/USN-3758-1, https://www.cve.org/CVERecord?id=CVE-2018-14600

    Affected packages

    Package

    Name: libx11

    Purl: pkg:deb/ubuntu/libx11@2:1.6.2-1ubuntu2.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:1.6.2-1ubuntu2.1

    Affected versions

    2:1.6.1-1ubuntu1
    2:1.6.1-1ubuntu2
    2:1.6.2-1ubuntu1
    2:1.6.2-1ubuntu2

    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