In Xiph.Org libvorbis 1.3.5, an out-of-bounds array read vulnerability exists in the function mapping0_forward() in mapping0.c, which may lead to DoS when operating on a crafted audio file with vorbis_analysis().
https://www.debian.org/security/2018/dsa-4113
https://usn.ubuntu.com/3569-1/
https://lists.debian.org/debian-lts-announce/2019/12/msg00021.html
https://lists.debian.org/debian-lts-announce/2018/04/msg00033.html