UBUNTU-CVE-2018-18409

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    UBUNTU-CVE-2018-18409

    Published: 17 Oct 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-18409
    Aliases:
    USN-3955-1

    Summary:

    Details: A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call.

    References: https://ubuntu.com/security/CVE-2018-18409, https://github.com/simsong/tcpflow/issues/195, https://ubuntu.com/security/notices/USN-3955-1, https://www.cve.org/CVERecord?id=CVE-2018-18409

    Affected packages

    Package

    Name: tcpflow

    Purl: pkg:deb/ubuntu/[email protected]+repack1-2ubuntu0.1~esm1?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.4.4+repack1-2ubuntu0.1~esm1

    Affected versions

    1.3.0+dfsg-2

    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-2018-18409 | CVE-DB