USN-5732-1

    Dashboard / Vulnerabilities / USN-5732-1

    USN-5732-1

    Published: 17 Nov 2022Last Modified: 27 Apr 2026

    Summary: unbound vulnerability

    Details: It was discovered that Unbound incorrectly handled delegations with a large number of non-responsive nameservers. A remote attacker could possibly use this issue to cause Unbound to consume resources, leading to a denial of service.

    References: https://ubuntu.com/security/notices/USN-5732-1, https://ubuntu.com/security/CVE-2022-3204

    Affected packages

    Package

    Name: unbound

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6.7-1ubuntu2.6

    Affected versions

    1.6.5-1
    1.6.7-1
    1.6.7-1build1
    1.6.7-1ubuntu1
    1.6.7-1ubuntu2
    1.6.7-1ubuntu2.1
    1.6.7-1ubuntu2.2
    1.6.7-1ubuntu2.3
    1.6.7-1ubuntu2.4
    1.6.7-1ubuntu2.5

    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