Security update for mailman (moderate)

An update that fixes one vulnerability is now available.

Description:

This update for mailman fixes the following issues:

 - CVE-2019-3693: Fixed a privilege escalation during package install.
   Could be exploited by a local users who is members of the the mailman
   group. (boo#1154328)

This update was imported from the openSUSE:Leap:15.1:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

• openSUSE Backports SLE-15-SP1:

  zypper in -t patch openSUSE-2020-156=1