GO-2025-4173

    Dashboard / Vulnerabilities / GO-2025-4173

    GO-2025-4173

    Published: 15 Dec 2025Last Modified: 4 Feb 2026

    Summary: Eclipse Paho Go MQTT may incorrectly encode strings if length exceeds 65535 bytes in github.com/eclipse/paho.mqtt.golang

    Details: Eclipse Paho Go MQTT may incorrectly encode strings if length exceeds 65535 bytes in github.com/eclipse/paho.mqtt.golang

    References: https://github.com/advisories/GHSA-32fw-gq77-f2f2, https://github.com/alpinelinux/build-server-status/commit/e3487897db32c8c3d0287643f8384a6669e93731, https://github.com/eclipse-paho/paho.mqtt.golang/issues/730, https://github.com/eclipse-paho/paho.mqtt.golang/pull/714, https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/254

    Affected packages

    Package

    Name: github.com/eclipse/paho.mqtt.golang

    Purl: pkg:golang/github.com/eclipse/paho.mqtt.golang

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.5.1

    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
    GO-2025-4173 | CVE-DB