The Firefox snap seems to run ok here with Ubuntu Unity 26.04 (devel) which uses gtk-nocsd. gtk-nocsd is replacing gtk3-nocsd and they work similarly. gtk-nocsd has this explanation in its lintian override (copied from gtk3-nocsd):
https://salsa.debian.org/ubports-team/gtk- nocsd/-/blob/master/debian/libgtk-nocsd0.lintian-overrides ** Changed in: snapd (Ubuntu) Status: Confirmed => Invalid ** Changed in: gtk3-nocsd (Ubuntu) Status: Confirmed => Triaged ** Also affects: gtk-nocsd (Ubuntu) Importance: Undecided Status: New ** Changed in: gtk-nocsd (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857022 Title: gtk3-nocsd preloads a setuid library To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk-nocsd/+bug/1857022/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
