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Ubuntu Security Notice USN-4101-1
August 16, 2019

firefox vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

A local attacker could obtain saved passwords.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

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:
  firefox                         68.0.2+build1-0ubuntu0.19.04.1

Ubuntu 18.04 LTS:
  firefox                         68.0.2+build1-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  firefox                         68.0.2+build1-0ubuntu0.16.04.1

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

References:
  https://usn.ubuntu.com/4101-1
  CVE-2019-11733

Package Information:
https://launchpad.net/ubuntu/+source/firefox/68.0.2+build1-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/firefox/68.0.2+build1-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/firefox/68.0.2+build1-0ubuntu0.16.04.1