[Bug 1777070] Re: firefox plugin libwidevinecdm.so crashes due to apparmor denial

baptx 1777070 at bugs.launchpad.net
Sun Oct 25 12:15:32 UTC 2020


I got it working by adding the 2 lines at the end of the
/etc/apparmor.d/usr.bin.firefox just before the closing brack "}".
Without these lines, I had to use another workaround by disabling
Apparmor completely on Firefox with a command like "sudo aa-complain
/usr/lib/firefox/firefox" or using the official Firefox binary from
Mozilla instead of the Ubuntu package.

I saw Daniel wrote "this is not a great way of working (malware could
write to that location and then load in code)" but do you have an idea
how to make it more secure?

When will the fix be added officially to the Firefox Apparmor profile?

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Title:
  firefox plugin libwidevinecdm.so crashes due to apparmor denial

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