OESA-2023-1718

    Dashboard / Vulnerabilities / OESA-2023-1718

    OESA-2023-1718

    Published: 13 Oct 2023Last Modified: 18 Aug 2026
    Upstream:
    CVE-2023-0809

    Summary: mosquitto security update

    Details: Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for "machine to machine" messaging such as with low power sensors or mobile devices such as phones, embedded computers or micro-controllers like the Arduino. Security Fix(es): In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.(CVE-2023-0809)

    References: https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1718, https://nvd.nist.gov/vuln/detail/CVE-2023-0809

    Affected packages

    Package

    Name: mosquitto

    Purl: pkg:rpm/openEuler/mosquitto&distro=openEuler-22.03-LTS

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.16-1.oe2203

    Affected versions

    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
    OESA-2023-1718 | CVE-DB