Xiph.Org libvorbis 1.3.5 allows Remote Code Execution upon freeing uninitialized memory in the function vorbis_analysis_headerout() in info.c when vi->channels<=0, a similar issue to Mozilla bug 550184.
https://www.debian.org/security/2018/dsa-4113
https://usn.ubuntu.com/3569-1/
https://lists.debian.org/debian-lts-announce/2018/04/msg00033.html