Vulnerability CVE-2021-28421
Published: 2021-04-13

Description:
FluidSynth 2.1.7 contains a use after free vulnerability in sfloader/fluid_sffile.c that can result in arbitrary code execution or a denial of service (DoS) if a malicious soundfont2 file is loaded into a fluidsynth library.

Type:

CWE-416

 (Use After Free)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Fluidsynth -> Fluidsynth 

 References:
https://github.com/FluidSynth/fluidsynth/issues/808
https://github.com/FluidSynth/fluidsynth/pull/810
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