The ParseCaffHeaderConfig function of the cli/caff.c file of WavPack 5.1.0 allows a remote attacker to cause a denial-of-service (global buffer over-read), or possibly trigger a buffer overflow or incorrect memory allocation, via a maliciously crafted CAF file.
https://www.exploit-db.com/exploits/44154/
https://www.debian.org/security/2018/dsa-4125
https://usn.ubuntu.com/3578-1/
https://seclists.org/bugtraq/2019/Dec/37
https://github.com/dbry/WavPack/issues/26
https://github.com/dbry/WavPack/commit/8e3fe45a7bac31d9a3b558ae0079e2d92a04799e
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=889274
http://packetstormsecurity.com/files/155743/Slackware-Security-Advisory-wavpack-Updates.html