CVE-2023-33657

    Dashboard / Vulnerabilities / CVE-2023-33657

    CVE-2023-33657

    Published: 8 Jun 2023Last Modified: 12 Aug 2026

    Summary:

    Details: A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33657.json, https://nvd.nist.gov/vuln/detail/CVE-2023-33657, https://github.com/emqx/nanomq/issues/1165#issue-1668648319, https://github.com/emqx/nanomq/pull/1187, https://github.com/emqx/nanomq

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c53e056b6957db8ccbfda154fd77a3fb85296bb7
    Fixed -None

    Affected versions

    0.17.2

    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
    CVE-2023-33657 | CVE-DB