That's seems to be fixed in latest version, probably through this modification:
* d/apparmor-profile.abstraction: Allow running dash/bash with inherited AppArmor profile. GDesktopAppInfo in GLib 2.64.x uses a one-line shell script to carry out some setup when launching .desktop files, for example as a URL handler. (Closes: #954013) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to evince in Ubuntu. https://bugs.launchpad.net/bugs/1869159 Title: Opening a pdf from Zotero in evince, I got "failed to load backend for 'application/pdf': libnss3.so: failed to load shared object mapping segment Status in evince package in Ubuntu: Incomplete Bug description: Opening a pdf file from Zotero in evince, I got "failed to load backend for 'application/pdf': libnss3.so: failed to load shared object mapping segment" and the file won't open. When opening the file from its location in Nautilus, that works properly. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: evince 3.36.0-1 ProcVersionSignature: Ubuntu 5.4.0-18.22-generic 5.4.24 Uname: Linux 5.4.0-18-generic x86_64 ApportVersion: 2.20.11-0ubuntu21 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Mar 26 10:17:17 2020 InstallationDate: Installed on 2019-02-21 (398 days ago) InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash SourcePackage: evince UpgradeStatus: Upgraded to focal on 2020-03-20 (5 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evince/+bug/1869159/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp