USN-4234-1: Firefox vulnerabilities

USN-4234-1: Firefox vulnerabilities

firefox vulnerabilities

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• CVE-2019-17016
• CVE-2019-17017
• CVE-2019-17020
• CVE-2019-17022
• CVE-2019-17023
• CVE-2019-17024
• CVE-2019-17025
• CVE-2019-17026

Source: USN-4234-1: Firefox vulnerabilities