What’s Vulnerable › Vulnerabilities

CVE-2025-56225

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-09 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• fluidsynth: through 2.4.6

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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