Vulnerability Information
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Vulnerability Title
Use after free in fluidsynth
Vulnerability 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.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability Type
释放后使用
Vulnerability Title
fluidsynth 资源管理错误漏洞
Vulnerability Description
fluidsynth是fluidsynth开源的一个应用系统。用于通过使用SoundFont通过读取和处理MIDI输入设备中的MIDI事件来生成音频。 fluidsynth 2.5.2之前版本存在资源管理错误漏洞，该漏洞源于卸载DLS文件时存在竞争条件，可能触发基于堆的释放后重用。
CVSS Information
N/A
Vulnerability Type
N/A