==========================================================================
Ubuntu Security Notice USN-4599-1
October 23, 2020
firefox vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.10
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
Summary:
Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Software Description:
– firefox: Mozilla Open Source web browser
Details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, spoof the prompt
for opening an external application, obtain sensitive information, or
execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.10:
firefox 82.0+build2-0ubuntu0.20.10.1
Ubuntu 20.04 LTS:
firefox 82.0+build2-0ubuntu0.20.04.1
Ubuntu 18.04 LTS:
firefox 82.0+build2-0ubuntu0.18.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
https://usn.ubuntu.com/4599-1
CVE-2020-15254, CVE-2020-15680, CVE-2020-15681, CVE-2020-15682,
CVE-2020-15683, CVE-2020-15684, CVE-2020-15969
Package Information:
https://launchpad.net/ubuntu/+source/firefox/82.0+build2-0ubuntu0.20.10.1
https://launchpad.net/ubuntu/+source/firefox/82.0+build2-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/82.0+build2-0ubuntu0.18.04.1
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—
==========================================================================
Ubuntu Security Notice USN-4599-2
October 26, 2020
firefox vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 LTS
Summary:
Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Software Description:
– firefox: Mozilla Open Source web browser
Details:
USN-4599-1 fixed vulnerabilities in Firefox. This update provides the
corresponding updates for Ubuntu 16.04 LTS.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, spoof the prompt
for opening an external application, obtain sensitive information, or
execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS:
firefox 82.0+build2-0ubuntu0.16.04.5
After a standard system update you need to restart Firefox to make
all the necessary changes.
References:
https://usn.ubuntu.com/4599-2
https://usn.ubuntu.com/4599-1
CVE-2020-15254, CVE-2020-15680, CVE-2020-15681, CVE-2020-15682,
CVE-2020-15683, CVE-2020-15684, CVE-2020-15969
Package Information:
https://launchpad.net/ubuntu/+source/firefox/82.0+build2-0ubuntu0.16.04.5
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—
