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Ubuntu Security Notice USN-4140-1
September 25, 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:
Firefox could be made to hijack the mouse pointer it if opened a malicious
website.
Software Description:
– firefox: Mozilla Open Source web browser
Details:
It was discovered 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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
firefox 69.0.1+build1-0ubuntu0.19.04.1
Ubuntu 18.04 LTS:
firefox 69.0.1+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS:
firefox 69.0.1+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/4140-1
CVE-2019-11754
Package Information:
https://launchpad.net/ubuntu/+source/firefox/69.0.1+build1-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/firefox/69.0.1+build1-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/firefox/69.0.1+build1-0ubuntu0.16.04.1
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