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VID 14257
Severity 30
Port 22
Protocol TCP
Class LSC
Detailed Description The remote system does not apply USN-4140-1 which is firefox security update. The system which does not apply the update is affected by the error that no user notification was given when pointer lock is enabled. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to hijack the mouse pointer and confuse users.

Note: This check solely relied on the firefox DPKG version of the remote system to assess this vulnerability, so this might be a false positive.

* References:
https://usn.ubuntu.com/4140-1/

* Platforms Affected:
Ubuntu 16.04 LTS
Ubuntu 18.04 LTS
Recommendation For a command line interface, use the following command to update the operating system:
# apt-get upgrade
Related URL CVE-2019-11754 (CVE)
Related URL (SecurityFocus)
Related URL (ISS)