Please make sure you don't install other packages from that PPA, just the samba ones. You can either enable the PPA, install the samba packages only, then disable the PPA, or manually download the packages using the following link:
https://launchpad.net/~ubuntu-security- proposed/+archive/ubuntu/ppa/+sourcepub/11253699/+listing-archive-extra -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875798 Title: Samba 2:4.3.11+dfsg-0ubuntu0.16.04.26: LDAP request size (81) exceeds (0) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1875798/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs