Verified from my side as well, with -ubuntu1 it was broken, with the version in proposed it is fixed. root@cc:~/libsoup2.4-2.64.2# ./obj-x86_64-linux-gnu/examples/get https://tracker.debian.org/pkg/acpi-support/rss [2004/5679] Segmentation fault (core dumped) root@cc:~/libsoup2.4-2.64.2# apt policy libgnutls30 libgnutls30: Installed: 3.6.4-2ubuntu1 Candidate: 3.6.4-2ubuntu1.1 Version table: 3.6.4-2ubuntu1.1 500 500 http://archive.ubuntu.com/ubuntu cosmic-proposed/main amd64 Packages *** 3.6.4-2ubuntu1 500 500 http://archive.ubuntu.com/ubuntu cosmic/main amd64 Packages 100 /var/lib/dpkg/status root@cc:~/libsoup2.4-2.64.2# apt install libgnutls30 Reading package lists... Done Building dependency tree Reading state information... Done Suggested packages: gnutls-bin The following packages will be upgraded: libgnutls30 1 upgraded, 0 newly installed, 0 to remove and 20 not upgraded. Need to get 746 kB of archives. After this operation, 0 B of additional disk space will be used. Get:1 http://archive.ubuntu.com/ubuntu cosmic-proposed/main amd64 libgnutls30 amd64 3.6.4-2ubuntu1.1 [746 kB] Fetched 746 kB in 0s (3860 kB/s) (Reading database ... 47106 files and directories currently installed.) Preparing to unpack .../libgnutls30_3.6.4-2ubuntu1.1_amd64.deb ... Unpacking libgnutls30:amd64 (3.6.4-2ubuntu1.1) over (3.6.4-2ubuntu1) ... Setting up libgnutls30:amd64 (3.6.4-2ubuntu1.1) ... Processing triggers for libc-bin (2.28-0ubuntu1) ... root@cc:~/libsoup2.4-2.64.2# ./obj-x86_64-linux-gnu/examples/get https://tracker.debian.org/pkg/acpi-support/rss /pkg/acpi-support/rss: 200 OK