🛡️ OESA-2026-1066 — fluidsynth (CVE-2025-56225)
Description
fluidsynth security update
FluidSynth is a free software synthesizer. Its currently based on the SoundFont 2 specifications and supports real time MIDI effect controls. It can be used as a shared library for embedding in other applications, can play MIDI files and has a command line shell. Many other applications use FluidSynth for audio synthesis.
Security Fix(es):
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.(CVE-2025-56225)
Affected software
OESA-2026-1066 is recorded against 1 package.
- fluidsynth (fixed in 2.2.7-2.oe2203sp3)
Timeline and source
Published on 16 January 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| fluidsynth | — | 2.2.7-2.oe2203sp3 |
References
Similar Threats
- Unknown DEBIAN-CVE-2026-58264
- Unknown DEBIAN-CVE-2026-61714
- Unknown DEBIAN-CVE-2026-61720
- Unknown DEBIAN-CVE-2026-61721
- Unknown DEBIAN-CVE-2026-61722
Site Security Check
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OESA-2026-1066 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.
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