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    CVE-2025-65503

    Use after free in endpoint destructors in Redboltz async_mqtt 10.2.5 allows local users to cause a denial of service via triggering SSL initialization failure that results in incorrect destruction order between io_context and endpoint objects.

    Published:Nov 24, 2025
    Last Modified:Dec 11, 2025
    EPS:Nov 24, 2025
    EPSS Score:0.00052
    CVSS Score:7.5

    Affected Products

    Vendor
    Redboltz
    Product
    Async Mqtt

    Exploits

    https://github.com/redboltz/async_mqtt/issues/436

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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