It is fixed in the latest packages in 16.04 Xenial, I hit an upgrade wall myself, so I was forced to unhold the package.
This is what I currently have installed: root@brix:~# dgrep libcurl ii libcurl3:amd64 7.47.0-1ubuntu2.2 amd64 easy-to-use client-side URL transfer library (OpenSSL flavour) ii libcurl3-gnutls:amd64 7.47.0-1ubuntu2.2 amd64 easy-to-use client-side URL transfer library (GnuTLS flavour) ii python3-pycurl 7.43.0-1ubuntu1 amd64 Python bindings to libcurl (Python 3) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1267749 Title: curlftps became very slow after upgrade to 13.10. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/curlftpfs/+bug/1267749/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs