CVE-2023-2905

    Dashboard / Vulnerabilities / CVE-2023-2905

    CVE-2023-2905

    Published: 9 Aug 2023Last Modified: 12 Aug 2026

    Summary: Cesanta Mongoose MQTT Message Parsing Heap Overflow

    Details: Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2905.json, https://github.com/cesanta/mongoose/releases/tag/7.11, https://nvd.nist.gov/vuln/detail/CVE-2023-2905, https://github.com/cesanta/mongoose/pull/2274, https://takeonme.org/cves/CVE-2023-2905.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- b379816178abdcd59135aa32f990a4b3bbbfb54b
    Fixed -5c8e05a4fc34c5309ceea887a7e60b895b2100d7

    Affected versions

    7.10

    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-2023-2905 | CVE-DB