404 page regarding Waterfox on Linux

[cnovel]

What happened?

Reproduction step
Install Waterfox on Linux using Flatpak
Launch Waterfox
A banner below the adress bar warns the user: "Some of Waterfox's security features may offer less protection on your current operating system. How to fix this issue."

The link is a 404, and should be https://www.waterfox.net/support/install-waterfox-linux/ I guess.

System information
Linux Mint 22.1 / Waterfox 6.5.3

Reproducible?

• I have checked that this issue cannot be reproduced on Mozilla Firefox.

Version

G6

What platform are you seeing the problem on?

Linux

Relevant log output

[cnovel]

Also, the likely page candidate does not give any details about the security features and why it would offer less protection. I've looked in the documentation and couldn't find any relevant page. Should I raise another issue about this?

[aditya95sriram]

Seems like they might be referring to this Firefox support article.

You may see a warning that “some of Firefox’s security features may offer less protection on your current operating system”.
The sandbox in Firefox makes use of unprivileged user namespaces when creating new processes for enforcing more security. This can be considered a security risk, therefore some Linux distributions have started to restrict its usage and only allow it to work where there is an AppArmor profile.
... (goes on to explain how to create an AppArmor profile for firefox)