CVE-2026-61721

FluidSynth versions 2.5.0 through 2.5.6 contain a heap-based buffer overrun in the native DLS loader . File-controlled wsmp.loop_start and wsmp.loop_length values are assigned to samples without calling fluid_sample_validate() or fluid_sample_sanitize_loop(), allowing a crafted DLS file to place ...

CVE-2026-61721 FluidSynth: Heap-based buffer overrun for DLS samples

FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 2.5.0 until 2.5.6, the native DLS loader assigns file-controlled wsmp.loopstart and wsmp.looplength values to samples without calling fluidsamplevalidate or fluidsamplesanitizeloop. A crafted DLS file can place...