One of the strongest points of Linux is the package management. In 2025, the world of Linux package management is very varied, with several options available, each with their advantages and trade-offs over the others.
Be aware librewolf and all firefox based browser have security issues with flatpak because flatpak by forcing seccomp filtering breaks the internal sandbox of the browser:
And you only get that “ease of use” of being able to install it in the software store with one click because your distro did the pain of installing and configuring flatpak for you, otherwise it would have been much worse than what you posted.
And then: appman -i librewolf which will “install” the AppImage and you can also sandbox it with am --sandbox librewolfand this sandbox does not break the internal sandbox of the browser unlike flatpak.
Be aware librewolf and all firefox based browser have security issues with flatpak because flatpak by forcing seccomp filtering breaks the internal sandbox of the browser:
https://librewolf.net/installation/linux/#security
Not to mention the librewolf flatpak is literary the portable tarball they release that works on your distro already, in other words it is the worst way possible to use librewolf.
And you only get that “ease of use” of being able to install it in the software store with one click because your distro did the pain of installing and configuring flatpak for you, otherwise it would have been much worse than what you posted.
Anyways, try using appman instead:
wget -q https://raw.githubusercontent.com/ivan-hc/AM/main/AM-INSTALLER && chmod a+x ./AM-INSTALLER && ./AM-INSTALLERAnd then:
appman -i librewolfwhich will “install” the AppImage and you can also sandbox it witham --sandbox librewolfand this sandbox does not break the internal sandbox of the browser unlike flatpak.