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    CVE-2017-12997

    The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-lldp.c:lldp_private_8021_print().

    Published:Sep 13, 2017
    Last Modified:Dec 4, 2025
    EPS:Sep 14, 2017
    EPSS Score:0.01484
    CVSS Score:9.8

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Tcpdump
    Product
    Tcpdump

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    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