Why does sudo su - command fail with error "unable to load /usr/libexec/sudo/sudoers.so undefined symbol ldap_sasl_interactive_bind_s" ?

Solution Verified - Updated -

Issue

  • sudo su - fails with the error below.
# sudo su -
sudo: error in /etc/sudo.conf, line 19 while loading plugin "sudoers_policy"
sudo: unable to load /usr/libexec/sudo/sudoers.so: /usr/libexec/sudo/sudoers.so: undefined symbol: ldap_sasl_interactive_bind_s
sudo: fatal error, unable to load plugins

Environment

  • Red Hat Enterprise Linux 6/7

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