USN-6538-1

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    USN-6538-1

    Published: 6 Dec 2023Last Modified: 27 Apr 2026

    Summary: postgresql-12, postgresql-14, postgresql-15 vulnerabilities

    Details: Jingzhou Fu discovered that PostgreSQL incorrectly handled certain unknown arguments in aggregate function calls. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2023-5868) Pedro Gallegos discovered that PostgreSQL incorrectly handled modifying certain SQL array values. A remote attacker could use this issue to obtain sensitive information, or possibly execute arbitrary code. (CVE-2023-5869) Hemanth Sandrana and Mahendrakar Srinivasarao discovered that PostgreSQL allowed the pg_signal_backend role to signal certain superuser processes, contrary to expectations. (CVE-2023-5870)

    References: https://ubuntu.com/security/notices/USN-6538-1, https://ubuntu.com/security/CVE-2023-5868, https://ubuntu.com/security/CVE-2023-5869, https://ubuntu.com/security/CVE-2023-5870

    Affected packages

    Package

    Name: postgresql-12

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -12.17-0ubuntu0.20.04.1

    Affected versions

    12.0-1

    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-6538-1 | CVE-DB