USN-3500-1

    Dashboard / Vulnerabilities / USN-3500-1

    USN-3500-1

    Published: 29 Nov 2017Last Modified: 22 Apr 2026

    Summary: libxfont, libxfont1, libxfont2 vulnerability

    Details: It was discovered that libXfont incorrectly followed symlinks when opening font files. A local unprivileged user could use this issue to cause the X server to access arbitrary files, including special device files.

    References: https://ubuntu.com/security/notices/USN-3500-1, https://ubuntu.com/security/CVE-2017-16611

    Affected packages

    Package

    Name: libxfont

    Purl: pkg:deb/ubuntu/libxfont@1:1.4.7-1ubuntu0.4?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:1.4.7-1ubuntu0.4

    Affected versions

    1:1.4.6-1
    1:1.4.6-1ubuntu1
    1:1.4.7-1
    1:1.4.7-1ubuntu0.1
    1:1.4.7-1ubuntu0.2
    1:1.4.7-1ubuntu0.3

    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