CVE-2025-56225 — NULL Pointer Dereference in Fluidsynth

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.0%
top 93.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
FluidsynthDebian Fluidsynth
Timeline
PublishedJan 9

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/fluidsynth< fluidsynth 2.4.7+dfsg-1 (forky)
▶Debianfluidsynth/fluidsynth< 2.4.4+dfsg-1+deb13u2+1

🔴Vulnerability Details

2
GHSA
GHSA-qgg6-hj2r-3x43: fluidsynth-2↗2026-01-09
▶
OSV
CVE-2025-56225: fluidsynth-2↗2026-01-09
▶

📋Vendor Advisories

1
Debian
CVE-2025-56225: fluidsynth - fluidsynth-2.4.6 and earlier versions is vulnerable to Null pointer dereference ...↗2025
▶

🕵️Threat Intelligence

1
Wiz
CVE-2025-56225 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2025-56225 — NULL Pointer Dereference in Fluidsynth | cvebase