In libsndfile 1.0.28, a divide-by-zero error exists in the function double64_init() in double64.c, which may lead to DoS when playing a crafted audio file.
https://usn.ubuntu.com/4013-1/
https://security.gentoo.org/glsa/201811-23
https://lists.debian.org/debian-lts-announce/2020/10/msg00030.html
https://lists.debian.org/debian-lts-announce/2018/12/msg00016.html