An issue was discovered in aubio 0.4.6. A SEGV signal can occur in aubio_pitch_set_unit in pitch/pitch.c, as demonstrated by aubionotes.
https://github.com/aubio/aubio/issues/188
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00071.html
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00031.html