USN-6296-1

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    USN-6296-1

    Published: 17 Aug 2023Last Modified: 27 Apr 2026

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

    Details: It was discovered that PostgreSQL incorrectly handled certain extension script substitutions. An attacker having database-level CREATE privileges can use this issue to execute arbitrary code as the bootstrap superuser. (CVE-2023-39417) It was discovered that PostgreSQL incorrectly handled the MERGE command. A remote attacker could possibly use this issue to bypass certain UPDATE and SELECT policies. This issue only affected Ubuntu 23.04. (CVE-2023-39418)

    References: https://ubuntu.com/security/notices/USN-6296-1, https://ubuntu.com/security/CVE-2023-39417, https://ubuntu.com/security/CVE-2023-39418

    Affected packages

    Package

    Name: postgresql-12

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -12.16-0ubuntu0.20.04.1

    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-6296-1 | CVE-DB