CVE-2017-7393

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    CVE-2017-7393

    Published: 1 Apr 2017Last Modified: 8 Jul 2026

    Summary:

    Details: In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.

    References: http://www.securityfocus.com/bid/97305, https://access.redhat.com/errata/RHSA-2017:2000, https://security.gentoo.org/glsa/201801-13, https://github.com/TigerVNC/tigervnc/pull/438

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 6172cc01dd7d1493064571b341c978e2df7725d7
    Fixed -None

    Affected versions

    1.7.1

    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
    CVE-2017-7393 | CVE-DB