1. Ubuntu Security Notices
  2. USN-4278-2

USN-4278-2: Firefox vulnerabilities

Publication date

26 February 2020

Overview

Firefox could be made to crash or run programs as your login if it opened a malicious website.

Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

USN-4278-1 fixed vulnerabilities in Firefox. This update provides the
corresponding update 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, conduct cross-site scripting
(XSS) attacks, or execute arbitrary code.

USN-4278-1 fixed vulnerabilities in Firefox. This update provides the
corresponding update 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, conduct cross-site scripting
(XSS) attacks, or execute arbitrary code.

Update instructions

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

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.04 xenial firefox –  73.0.1+build1-0ubuntu0.16.04.1

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References

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