Fluidsynth

fluidsynth

3 CVEs • 1 product

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CVEs (3)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2025-56225 1Fluidsynth 1Fluidsynth Jan 23, 2026 Jan 9, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 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-2025-68617 1Fluidsynth 1Fluidsynth Jan 15, 2026 Dec 23, 2025 N/A· v4 7.0 HIGH· v3 N/A· v2 FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From versions 2.5.0 to before 2.5.2, a race condition during unloading of a DLS file can trigger a heap-based use-after-free. A concurrently r...Show more FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From versions 2.5.0 to before 2.5.2, a race condition during unloading of a DLS file can trigger a heap-based use-after-free. A concurrently running thread may be pending to unload a DLS file, leading to use of freed memory, if the synthesizer is being concurrently destroyed, or samples of the (unloaded) DLS file are concurrently used to synthesize audio. This issue has been patched in version 2.5.2. The problem will not occur, when explicitly unloading a DLS file (before synth destruction), provided that at the time of unloading, no samples of the respective file are used by active voices. The problem will not occur in versions of FluidSynth that have been compiled without native DLS support.Show less
CVE-2021-21417 2Debian Fluidsynth 2Debian Linux Fluidsynth Nov 21, 2024 Apr 29, 2021 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered when loading an invalid SoundFont file.