CVE-2025-56225

7.5 highEPSS 0.5%

High (7.5) in fluidsynth fluidsynth. EPSS 0.5% chance of exploitation in the next 30 days.

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

CVSS 3.1

7.5 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-11-01)
CWE: CWE-476
Published: 2026-01-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fluidsynth:fluidsynth

References

https://github.com/FluidSynth/fluidsynth/issues/1602
https://github.com/FluidSynth/fluidsynth/pull/1607
https://github.com/FluidSynth/fluidsynth/issues/1602

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