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    CVE-2025-56225

    fluidsynth-2.4.6 and earlier versions is vulnerable to Null pointer dereference in fluid_synth_monopoly.c, that can be triggered when loading an invalid midi file.

    Published:Jan 9, 2026
    Last Modified:Jan 23, 2026
    EPS:Jan 9, 2026
    EPSS Score:0.00053
    CVSS Score:7.5

    Affected Products

    Vendor
    Fluidsynth
    Product
    Fluidsynth

    Exploits

    https://github.com/FluidSynth/fluidsynth/issues/1602https://github.com/FluidSynth/fluidsynth/issues/1602

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    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