WavpackSetConfiguration64 in pack_utils.c in libwavpack.a in WavPack through 5.1.0 has a "Conditional jump or move depends on uninitialised value" condition, which might allow attackers to cause a denial of service (application crash) via a DFF file that lacks valid sample-rate data.
https://usn.ubuntu.com/3960-1/
https://security.gentoo.org/glsa/202007-19
https://lists.debian.org/debian-lts-announce/2021/01/msg00013.html
https://github.com/dbry/WavPack/issues/67
https://github.com/dbry/WavPack/commit/bc6cba3f552c44565f7f1e66dc1580189addb2b4