Ubuntu 4234-1: Firefox Critical Security Advisory for Multiple Threats

ubuntu

January 10, 2020

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

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.

Topics Covered

security advisory XSS arbitrary code execution Ubuntu Denial of Service Firefox

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.