An out of bounds read in the function d2alaw_array() in alaw.c of libsndfile 1.0.28 may lead to a remote DoS attack or information disclosure, related to mishandling of the NAN and INFINITY floating-point values.
https://usn.ubuntu.com/4013-1/
https://security.gentoo.org/glsa/202007-65
https://lists.debian.org/debian-lts-announce/2020/10/msg00030.html
https://lists.debian.org/debian-lts-announce/2018/12/msg00016.html