CVE-2021-28421

NameCVE-2021-28421
DescriptionFluidSynth 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh
Debian Bugs987168

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
fluidsynth (PTS)stretch1.1.6-4vulnerable
buster1.1.11-1vulnerable
bullseye, sid2.1.7-1.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
fluidsynthsource(unstable)2.1.7-1.1987168

Notes

[buster] - fluidsynth <no-dsa> (Minor issue)
[stretch] - fluidsynth <postponed> (Minor issue; can be fixed in next update)
https://github.com/FluidSynth/fluidsynth/issues/808
https://github.com/FluidSynth/fluidsynth/pull/810

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