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Ubuntu Security Notice USN-4234-1
January 09, 2020
firefox vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.10
– Ubuntu 19.04
– Ubuntu 18.04 LTS
– 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:
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, obtain sensitive
information, bypass Content Security Policy (CSP) restrictions, conduct
cross-site scripting (XSS) attacks, or execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.10:
firefox 72.0.1+build1-0ubuntu0.19.10.1
Ubuntu 19.04:
firefox 72.0.1+build1-0ubuntu0.19.04.1
Ubuntu 18.04 LTS:
firefox 72.0.1+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS:
firefox 72.0.1+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/4234-1
CVE-2019-17016, CVE-2019-17017, CVE-2019-17020, CVE-2019-17022,
CVE-2019-17023, CVE-2019-17024, CVE-2019-17025, CVE-2019-17026
Package Information:
https://launchpad.net/ubuntu/+source/firefox/72.0.1+build1-0ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/firefox/72.0.1+build1-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/firefox/72.0.1+build1-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/firefox/72.0.1+build1-0ubuntu0.16.04.1
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