CVE-2025-56225: Fluidsynth

High severity, CVSS 7.5. 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.

Affected products

• Fluidsynth Fluidsynth: up to and including 2.4.6

Published 2026-01-09. Last modified 2026-06-17.