In libsndfile version 1.0.28, an error in the "aiff_read_chanmap()" function (aiff.c) can be exploited to cause an out-of-bounds read memory access via a specially crafted AIFF file.
https://usn.ubuntu.com/4013-1/
https://security.gentoo.org/glsa/201811-23
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-13/
https://secuniaresearch.flexerasoftware.com/advisories/76717/
https://lists.debian.org/debian-lts-announce/2020/10/msg00030.html
https://github.com/erikd/libsndfile/commit/f833c53cb596e9e1792949f762e0b33661822748