Thanks for taking the time to report this bug and helping to make Ubuntu
better. The sudo and sudo-ldap packages are alternative versions of
sudo, one with a more minimal set of library dependencies to reduce
attack surfaces, and the other supporting an expanded set of features
that some environments desire or need. Your system should only have one
or the other installed, in this case likely the regular 'sudo' package.
Reinstalling sudo is most likely the correct course of action here.
The USN references both packages to ensure that users of either version
apply the update to get the security fixes. In most cases, if you do not
have the package listed in the USN installed, it does not apply to you
(linux kernel updates are a primary exception to this, due to how the
packaging is constructed that results in new packages being pulled in).
The best solution is to use the update-manager tool or apt-get dist-
upgrade to install security updates, not attempt to apply them
piecemeal, as one is likely to overlook something and leave themselves
exposed.
** Changed in: sudo (Ubuntu)
Status: New => Invalid
** Information type changed from Private Security to Public Security
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https://bugs.launchpad.net/bugs/1721216
Title:
package sudo 1.8.16-0ubuntu1.5 failed to install/upgrade: subprocess
installed pre-removal script returned error exit status 1
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