The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.
https://lists.debian.org/debian-lts-announce/2018/02/msg00010.html
https://github.com/unbit/uwsgi/commit/cb4636f7c0af2e97a4eef7a3cdcbd85a71247bfe
http://lists.unbit.it/pipermail/uwsgi/2018-February/008835.html