CVE-2025-56225
fluidsynth: fluidsynth-2.4.6 and earlier versions is vulnerable to Null pointer dereference in fluid_synth_monopoly.c, that can b...
CVE-2025-56225 is fixed in fluidsynth on 1 platform, first by DEBIAN-CVE-2025-56225, released January 9, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0046
40th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| fluidsynth · Debian 13.5 (trixie) | 2.4.4+dfsg-1+deb13u2 | DEBIAN-CVE-2025-56225 | Jan 9, 2026 |
| fluidsynth · Debian 14 | 2.4.7+dfsg-1 | DEBIAN-CVE-2025-56225 | Jan 9, 2026 |
| fluidsynth · opensuse-leap 16.0 | 2.3.5-160000.3.1 | OPENSUSE-SU-2026:20291-1 | Feb 27, 2026 |
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