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CVE-2021-21417

Good to know:

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Date: April 29, 2021

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.

Language: C

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2021-21417
https://github.com/FluidSynth/fluidsynth/pull/810
https://github.com/FluidSynth/fluidsynth/issues/808
https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9
https://lists.debian.org/debian-lts-announce/2021/06/msg00027.html
https://security-tracker.debian.org/tracker/CVE-2021-21417
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-21417
https://security.alpinelinux.org/vuln/CVE-2021-21417
https://www.mend.io/vulnerability-database/CVE-2021-21417

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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