What is the CVSS score of CVE-2025-56225?

CVE-2025-56225 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Fluidsynth are affected by CVE-2025-56225?

Organizations using fluidsynth-2.4.6 and earlier versions face notable risk from CVE-2025-56225, a null pointer dereference vulnerability rated CVSS 7.5.. A patch is available.

Is there a public PoC exploit available for CVE-2025-56225?

Yes, a public proof-of-concept exploit is available for CVE-2025-56225. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-56225?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Fluidsynth CVE-2025-56225

HIGH

NULL Pointer Dereference (CWE-476)

2026-01-09 cve@mitre.org

Null Pointer Dereference Fluidsynth Suse

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

SUSE

HIGH

qualitative

Primary rating from NVD.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Patch released

Apr 06, 2026 - 20:30 nvd

Patch available

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 23, 2026 - 02:13 vuln.today

Public exploit code

CVE Published

Jan 09, 2026 - 16:16 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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. [CVSS 7.5 HIGH]

Technical ContextAI

Classified as CWE-476 (NULL Pointer Dereference). Affects Fluidsynth. 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.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Vendor StatusVendor

SUSE

Severity: High

Product	Status
Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-6.35 Container suse/sl-micro/6.0/base-os-container:2.1.3-7.4 Container suse/sl-micro/6.0/kvm-os-container:2.1.3-6.31 Container suse/sl-micro/6.0/rt-os-container:2.1.3-7.36 Container suse/sl-micro/6.0/toolbox:13.2-9.1 Image SL-Micro	Affected
openSUSE Leap 16.0	Fixed
openSUSE Tumbleweed	Fixed

CVE-2025-56225 vulnerability details – vuln.today

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Fluidsynth CVE-2025-56225

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

Vendor StatusVendor

SUSE

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External POC / Exploit Code