Xiph.Org libvorbis 1.3.5 allows Remote Code Execution upon freeing uninitialized memory in the function vorbisanalysisheaderout() in info.c when vi->channels<=0, a similar issue to Mozilla bug 550184 (CVE-2017-14632).
In Xiph.Org libvorbis 1.3.5, an out-of-bounds array read vulnerability exists in the function mapping0forward() in mapping0.c, which may lead to DoS when operating on a crafted audio file with vorbisanalysis() (CVE-2017-14633).