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Fedora 42: MuseScore Patch for CVE-2025

Fedora 42: MuseScore Patch for CVE-2025

Linuxsecurity •LinuxSecurity Advisories • January 18, 2026

MuseScore is a free cross platform WYSIWYG music notation program. Some highlights: * WYSIWYG, notes are entered on a "virtual note sheet" * Unlimited number of staves * Up to four voices per staff * Easy and fast note entry with mouse, keyboard or MIDI * Integrated sequencer and FluidSynth software synthesizer * Import and export of MusicXML and Standard MIDI Files (SMF) * Translated in 26 languages Update Information : This update adds a patch to fix CVE-2025-56225, a flaw in the bundled version of fluidsynth.

MuseScore is a free cross platform WYSIWYG music notation program. Some

* WYSIWYG, notes are entered on a "virtual note sheet"

* Unlimited number of staves

* Up to four voices per staff

* Easy and fast note entry with mouse, keyboard or MIDI

* Integrated sequencer and FluidSynth software synthesizer

* Import and export of MusicXML and Standard MIDI Files (SMF)

* Translated in 26 languages

This update adds a patch to fix CVE-2025-56225, a flaw in the bundled version of fluidsynth.

* Fri Jan 9 2026 Jerry James - 4.3.2-20 - Patch for CVE-2025-56225

* Fri Jan 9 2026 Jerry James - 4.3.2-20 - Patch for CVE-2025-56225

[ 1 ] Bug #2428301 - CVE-2025-56225 musescore: FluidSynth: Denial of Service via invalid MIDI file processing [fedora-42]

[ 1 ] Bug #2428301 - CVE-2025-56225 musescore: FluidSynth: Denial of Service via invalid MIDI file processing [fedora-42]

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-23b7799e1f' at the command line. For more information, refer to the dnf documentation available at

Extracted Entities

Attack Types (1)

Companies (1)

Platforms (2)