UBUNTU-CVE-2016-7942

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    UBUNTU-CVE-2016-7942

    Published: 13 Dec 2016Last Modified: 22 Apr 2026
    Upstream:
    CVE-2016-7942

    Summary:

    Details: The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations.

    References: https://ubuntu.com/security/CVE-2016-7942, http://www.openwall.com/lists/oss-security/2016/10/04/4, https://lists.x.org/archives/xorg-announce/2016-October/002720.html, https://ubuntu.com/security/notices/USN-3758-2, https://ubuntu.com/security/notices/USN-3758-1, https://www.cve.org/CVERecord?id=CVE-2016-7942

    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