CVE-2017-12997

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    CVE-2017-12997

    Published: 14 Sept 2017Last Modified: 8 Jul 2026

    Summary:

    Details: 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().

    References: http://www.securityfocus.com/bid/100914, http://www.securitytracker.com/id/1039307, https://support.apple.com/HT208221, http://www.debian.org/security/2017/dsa-3971, http://www.tcpdump.org/tcpdump-changes.txt, https://access.redhat.com/errata/RHEA-2018:0705, https://security.gentoo.org/glsa/201709-23, https://github.com/the-tcpdump-group/tcpdump/commit/34cec721d39c76be1e0a600829a7b17bdfb832b6

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    tcpdump-4.9.1
    tcpdump-4.9.0
    tcpdump-4.9.0-bp

    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-2017-12997 | CVE-DB