CWE
79
Advisory Published

USN-4234-1: Firefox vulnerabilities

First published: Thu Jan 09 2020(Updated: )

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.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/firefox<72.0.1+build1-0ubuntu0.19.10.1
72.0.1+build1-0ubuntu0.19.10.1
=19.10
All of
ubuntu/firefox<72.0.1+build1-0ubuntu0.19.04.1
72.0.1+build1-0ubuntu0.19.04.1
=19.04
All of
ubuntu/firefox<72.0.1+build1-0ubuntu0.18.04.1
72.0.1+build1-0ubuntu0.18.04.1
=18.04
All of
ubuntu/firefox<72.0.1+build1-0ubuntu0.16.04.1
72.0.1+build1-0ubuntu0.16.04.1
=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-4234-1?

    The severity of USN-4234-1 is high.

  • How can an attacker exploit the vulnerabilities mentioned in USN-4234-1?

    An attacker can exploit the vulnerabilities in USN-4234-1 by tricking a user into opening a specially crafted website.

  • What can an attacker achieve by exploiting the vulnerabilities in USN-4234-1?

    By exploiting the vulnerabilities in USN-4234-1, an attacker can potentially cause a denial of service, obtain sensitive information, bypass Content Security Policy (CSP) restrictions, and conduct cross-site scripting attacks.

  • How can I fix the vulnerabilities mentioned in USN-4234-1?

    To fix the vulnerabilities in USN-4234-1, update Firefox to version 72.0.1+build1 or higher.

  • Where can I find more information about the vulnerabilities in USN-4234-1?

    You can find more information about the vulnerabilities in USN-4234-1 on the Ubuntu security website.

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