1. Ubuntu Security Notices
  2. USN-4278-3

USN-4278-3: Firefox regressions

Publication date

26 February 2020

Overview

USN-4278-1 caused some minor regressions in Firefox.

Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

USN-4278-1 fixed vulnerabilities in Firefox. The update introduced various
minor regressions. This update fixes the problem.

We apologize for the inconvenience.

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. The update introduced various
minor regressions. This update fixes the problem.

We apologize for the inconvenience.

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
19.10 eoan firefox –  73.0.1+build1-0ubuntu0.19.10.1
18.04 bionic firefox –  73.0.1+build1-0ubuntu0.18.04.1

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References

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