Fedora 42: MuseScore Patch for CVE-2025-56225 Denial of Service
fedora
January 18, 2026
This update adds a patch to fix CVE-2025-56225, a flaw in the bundled version of fluidsynth.
Summary
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.
Topics Covered
Change Log
* Fri Jan 9 2026 Jerry James
References
[ 1 ] Bug #2428301 - CVE-2025-56225 musescore: FluidSynth: Denial of Service via invalid MIDI file processing [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2428301
Update Instructions
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 http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Name: musescore
Product: Fedora 42
Version: 4.3.2
Release: 20.fc42
Summary: Music Composition & Notation Software
Topics Covered
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