USN-6225-1

    Dashboard / Vulnerabilities / USN-6225-1

    USN-6225-1

    Published: 13 Jul 2023Last Modified: 25 Jun 2026

    Summary: knot-resolver vulnerability

    Details: It was discovered that Knot Resolver did not correctly handle certain client options. A remote attacker could send requests to malicous domains and cause a denial of service.

    References: https://ubuntu.com/security/notices/USN-6225-1, https://ubuntu.com/security/CVE-2022-40188

    Affected packages

    Package

    Name: knot-resolver

    Purl: pkg:deb/ubuntu/knot-resolver?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.0.0~beta3-1ubuntu0.1~esm1

    Affected versions

    1.0.0~beta2-123-g6134920-1
    1.0.0~beta3-1

    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
    USN-6225-1 | CVE-DB