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    CVE-2020-37127

    Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcp_release utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcp_release process by sending a crafted input string longer than 16 characters.

    Published:Feb 5, 2026
    Last Modified:Apr 15, 2026
    EPS:Feb 5, 2026
    EPSS Score:0.00005
    CVSS Score:5.5

    Affected Products

    Vendor
    Dnsmasq
    Product
    Dnsmasq

    Exploits

    No exploit reference

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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