openSUSE-SU-2021:0169-1

This update for sudo fixes the following issues:

• A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges [bsc#1181090,CVE-2021-3156]
• It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit [bsc#1180684,CVE-2021-23239]
• A Possible Symlink Attack vector existed in sudoedit if SELinux was running in permissive mode [bsc#1180685, CVE-2021-23240]
• It was possible for a User to enable Debug Settings not Intended for them [bsc#1180687]

This update was imported from the SUSE:SLE-15:Update update project.