there is /usr/lib/firefox/obscure-tool to uncrypt and crypt the .cfg file if you really need a fix for now.
-- firefox .deb overwrites firefox.cfg which stores systemwide settings such as startpage, proxy https://bugs.launchpad.net/bugs/139543 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs