audiofile suffers from a lot of security bugs (few of these reported by me), see https://github.com/mpruett/audiofile/issues Latest release is 10 years ago Latest commit is 7 years ago
Would have to also last-rite xemacs, gnustep, libgig+revdeps, among others as things are right now. fwiw our in-tree version does have a few security patches, not that I know how extensive it is
It seems there are few more fixes for the overflow issues in Debian and Fedora that maybe we could import