USN-5959-1

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    USN-5959-1

    Published: 16 Mar 2023Last Modified: 22 Apr 2026

    Summary: krb5 vulnerabilities

    Details: It was discovered that Kerberos incorrectly handled memory when processing KDC data, which could lead to a NULL pointer dereference. An attacker could possibly use this issue to cause a denial of service or have other unspecified impacts. (CVE-2021-36222, CVE-2021-37750)

    References: https://ubuntu.com/security/notices/USN-5959-1, https://ubuntu.com/security/CVE-2021-36222, https://ubuntu.com/security/CVE-2021-37750

    Affected packages

    Package

    Name: krb5

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.16-2ubuntu0.4

    Affected versions

    1.15.1-2

    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-5959-1 | CVE-DB