Public bug reported:

libreoffice accesses firefox's cert8.db and key3.db, i have found this from 
apparmor log messages.
i googled "libreoffice cert8.db key3.db" and have found out that seems 
libreoffice does this by design. see 
https://bugs.documentfoundation.org/show_bug.cgi?id=119811 , 
https://weekly-geekly.github.io/articles/357692/index.html . do you agree with 
this? then there should be allow rule, i think. if you do not, then should be a 
comment and / or deny rule.

does libreoffice really need write access to these files? i think it can
potentially add some bad certificates, and some sites would have
verified sign then, while user has not added it to exceptions.

i think if user have not secured his master password, it can be
considered it is ok if some app can access his passwords.

i think this pages also can be helpful:
https://stackoverflow.com/questions/45126738/what-is-cert8-db-and-key3
-db-file , https://developer.mozilla.org/en-
US/docs/Mozilla/Projects/NSS/tools/NSS_Tools_certutil , these are found
by googling "cert8.db key3.db". this also can be helpful:
https://en.wikipedia.org/wiki/Public_key_certificate .

** Affects: libreoffice (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1862331

Title:
  mozilla cert8.db and key3.db are denied by apparmor

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