USN-4924-1

    Dashboard / Vulnerabilities / USN-4924-1

    USN-4924-1

    Published: 22 Apr 2021Last Modified: 10 Feb 2026

    Summary: dnsmasq vulnerabilities

    Details: It was discovered that Dnsmasq incorrectly handled certain wildcard synthesized NSEC records. A remote attacker could possibly use this issue to prove the non-existence of hostnames that actually exist. (CVE-2017-15107) It was discovered that Dnsmasq incorrectly handled certain large DNS packets. A remote attacker could possibly use this issue to cause Dnsmasq to crash, resulting in a denial of service. (CVE-2019-14513)

    References: https://ubuntu.com/security/notices/USN-4924-1, https://ubuntu.com/security/CVE-2017-15107, https://ubuntu.com/security/CVE-2019-14513

    Affected packages

    Package

    Name: dnsmasq

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.75-1ubuntu0.16.04.10

    Affected versions

    2.75-1

    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