An issue was discovered in SoX 14.4.2. One of the arguments to bitrv2 in fft4g.c is not guarded, such that it can lead to write access outside of the statically declared array, aka a stack-based buffer overflow.
https://usn.ubuntu.com/4079-2/
https://usn.ubuntu.com/4079-1/
https://sourceforge.net/p/sox/bugs/321
https://lists.debian.org/debian-lts-announce/2019/05/msg00040.html