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I. Basic Information for CVE-2021-21417
Vulnerability Information

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Vulnerability Title
Use after free in fluidsynth
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
fluidsynth 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fluidsynth是一个应用系统。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 存在资源管理错误漏洞,该漏洞源于发现自由冲突后的使用,在加载无效SoundFont文件时可能触发。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
FluidSynthfluidsynth < 2.1.8 -
II. Public POCs for CVE-2021-21417
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III. Intelligence Information for CVE-2021-21417
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IV. Related Vulnerabilities
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