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USN-4101-1: Firefox vulnerability

16 August 2019

A local attacker could obtain saved passwords.



  • firefox - Mozilla Open Source web browser


It was discovered that passwords could be copied to the clipboard from the
"Saved Logins" dialog without entering the master password, even when a
master password has been set. A local attacker could potentially exploit
this to obtain saved passwords.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04

After a standard system update you need to restart Firefox to make
all the necessary changes.