CVE-2018-19519

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    CVE-2018-19519

    Published: 25 Nov 2018Last Modified: 8 Jul 2026

    Summary:

    Details: In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization.

    References: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/, https://usn.ubuntu.com/4252-1/, https://usn.ubuntu.com/4252-2/, http://www.securityfocus.com/bid/106098, https://access.redhat.com/errata/RHSA-2019:3976, https://github.com/zyingp/temp/blob/master/tcpdump.md

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- dda68e7bd631451189152e91e7d3a93d56994a95
    Fixed -None

    Affected versions

    4.9.2

    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