USN-6467-1

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    USN-6467-1

    Published: 1 Nov 2023Last Modified: 29 Jun 2026

    Summary: krb5 vulnerability

    Details: Robert Morris discovered that Kerberos did not properly handle memory access when processing RPC data through kadmind, which could lead to the freeing of uninitialized memory. An authenticated remote attacker could possibly use this issue to cause kadmind to crash, resulting in a denial of service.

    References: https://ubuntu.com/security/notices/USN-6467-1, https://ubuntu.com/security/CVE-2023-36054

    Affected packages

    Package

    Name: krb5

    Purl: pkg:deb/ubuntu/krb5?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.12+dfsg-2ubuntu5.4+esm4

    Affected versions

    1.10.1+dfsg-6.1ubuntu1

    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-6467-1 | CVE-DB