CVE-2025-56225

PoC —

CVSS 3.1

7.5 high

EPSS

<1%p39

Published

Jan 9, 2026 (Jan 9, 2026)

Modified

Jun 17, 2026

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.

Vendors: fluidsynth
Products: fluidsynth
Weakness: CWE-476
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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