USN-5257-2

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    USN-5257-2

    Published: 4 Oct 2022Last Modified: 27 Apr 2026

    Summary: ldns vulnerabilities

    Details: USN-5257-1 fixed several vulnerabilities in ldns. This update provides the corresponding update for Ubuntu 20.04 ESM and Ubuntu 22.04 ESM. Original advisory details: It was discovered that ldns incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. (CVE-2020-19860, CVE-2020-19861)

    References: https://ubuntu.com/security/notices/USN-5257-2, https://ubuntu.com/security/CVE-2020-19860, https://ubuntu.com/security/CVE-2020-19861

    Affected packages

    Package

    Name: ldns

    Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=esm-apps/focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.7.0-4.1ubuntu1+esm1

    Affected versions

    1.7.0-3ubuntu8
    1.7.0-4
    1.7.0-4ubuntu1
    1.7.0-4.1ubuntu1

    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-5257-2 | CVE-DB