im_vips2dz in /libvips/libvips/deprecated/im_vips2dz.c in libvips before 8.8.2 has an uninitialized variable which may cause the leakage of remote server path or stack address.
https://lists.debian.org/debian-lts-announce/2020/11/msg00049.html
https://github.com/libvips/libvips/issues/1419
https://github.com/libvips/libvips/commit/2ab5aa7bf515135c2b02d42e9a72e4c98e17031a