Further investigation shows that these regressions seem to be related to this in the upstream source:
https://github.com/samba-team/samba/commits/v4-6-test/source3/smbd/dir.c This is a series of 7 commits related to the above-referenced CVE in this file. ** Bug watch added: Samba Bugzilla #12860 https://bugzilla.samba.org/show_bug.cgi?id=12860 ** Bug watch added: Samba Bugzilla #12496 https://bugzilla.samba.org/show_bug.cgi?id=12496 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1701073 Title: CVE-2017-2619 regression breaks symlinks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1701073/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs