CVE-2025-56225

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-56225
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/FluidSynth/fluidsynth/issues/1602 Exploit Issue Tracking
https://github.com/FluidSynth/fluidsynth/pull/1607 Issue Tracking
https://github.com/FluidSynth/fluidsynth/issues/1602 Exploit Issue Tracking
Configurations

Configuration 1 (hide)

cpe:2.3:a:fluidsynth:fluidsynth:*:*:*:*:*:*:*:*
History

23 Jan 2026, 02:13

Type Values Removed Values Added
CPE cpe:2.3:a:fluidsynth:fluidsynth:*:*:*:*:*:*:*:*
First Time Fluidsynth fluidsynth
Fluidsynth
References () https://github.com/FluidSynth/fluidsynth/issues/1602 - () https://github.com/FluidSynth/fluidsynth/issues/1602 - Exploit, Issue Tracking
References () https://github.com/FluidSynth/fluidsynth/pull/1607 - () https://github.com/FluidSynth/fluidsynth/pull/1607 - Issue Tracking

12 Jan 2026, 17:15

Type Values Removed Values Added
CWE CWE-476
References () https://github.com/FluidSynth/fluidsynth/issues/1602 - () https://github.com/FluidSynth/fluidsynth/issues/1602 -
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

09 Jan 2026, 16:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-01-09 16:16

Updated : 2026-01-23 02:13

NVD link : CVE-2025-56225

Mitre link : CVE-2025-56225

CVE.ORG link : CVE-2025-56225

JSON object : View

Products Affected

fluidsynth

  • fluidsynth
CWE
CWE-476

NULL Pointer Dereference