CVE-2025-56225

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/9/2026

Last Modified1/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

fluidsynth:fluidsynth

Weaknesses (CWE)

CWE-476

References

https://github.com/FluidSynth/fluidsynth/issues/1602(cve@mitre.org)

https://github.com/FluidSynth/fluidsynth/pull/1607(cve@mitre.org)

https://github.com/FluidSynth/fluidsynth/issues/1602(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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