sudo is vulnerable to information disclosure. The sudoedit personality allows a local unprivileged user to determine the existence of an arbitrary directory by winning a sudo_edit.c
race condition in replacing a user-controlled directory by a symlink to an arbitrary path.
bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239
lists.fedoraproject.org/archives/list/[email protected]/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
lists.fedoraproject.org/archives/list/[email protected]/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
security-tracker.debian.org/tracker/CVE-2021-23239
security.gentoo.org/glsa/202101-33
security.netapp.com/advisory/ntap-20210129-0010/
www.sudo.ws/stable.html#1.9.5