memcached 1.5.16, when UNIX sockets are used, has a stack-based buffer over-read in conn_to_str in memcached.c.
https://usn.ubuntu.com/4125-1/
https://lists.debian.org/debian-lts-announce/2019/09/msg00006.html
https://github.com/memcached/memcached/wiki/ReleaseNotes1517
https://github.com/memcached/memcached/commit/554b56687a19300a75ec24184746b5512580c819
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00060.html