Why?
Firefox introduces Tivoization for all extensions (like ubufox) and does not provide more security. Everyone who can write to /usr/{lib,share}/mozilla/extensions can probably also modify the system files of Firefox to introduce malicious code there.
Why?
Firefox introduces Tivoization for all extensions (like ubufox) and does not provide more security. Everyone who can write to /usr/{lib, share}/ mozilla/ extensions can probably also modify the system files of Firefox to introduce malicious code there.