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CVE-2025-56225

Good to know:

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Date: January 8, 2026

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.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-56225
https://github.com/FluidSynth/fluidsynth/pull/1607
https://github.com/FluidSynth/fluidsynth/issues/1602
https://www.mend.io/vulnerability-database/CVE-2025-56225

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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Upgrade Version

Upgrade to version https://github.com/FluidSynth/fluidsynth.git - v2.4.7

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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