Provide references for CVE-2021-21417.
Where can I find more information about CVE-2021-21417?
References are available at: https://github.com/FluidSynth/fluidsynth/issues/808, https://github.com/FluidSynth/fluidsynth/pull/810, https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9, https://lists.debian.org/debian-lts-announce/2021/06/msg00027.html.