Vulnerability Database

319,592

Total vulnerabilities in the database

CVE-2021-21417

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.

  • Published: Apr 29, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-21417
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.2
  • AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
fluidsynth / fluidsynth - 2.1.8
debian / debian_linux 9.0 9.0.x