Description
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.
INFO
Published Date :
2025-12-23T22:41:28.861Z
Last Modified :
2025-12-24T14:53:35.537Z
Source :
GitHub_M
AFFECTED PRODUCTS
The following products are affected by CVE-2025-68617 vulnerability.
| Vendors | Products |
|---|---|
| Fluidsynth |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2025-68617.
