CWE
835
Advisory Published
CVE Published
Updated

CVE-2020-15654

First published: Tue Jul 28 2020(Updated: )

Last updated 24 July 2024

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<78.1
78.1
Mozilla Thunderbird<78.1
78.1
Mozilla Firefox<79
79
Mozilla Firefox<79.0
Mozilla Firefox ESR<78.1
Mozilla Thunderbird<78.1
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
debian/firefox
132.0-1
debian/thunderbird
1:115.12.0-1~deb11u1
1:115.16.0esr-1~deb11u1
1:115.12.0-1~deb12u1
1:115.16.0esr-1~deb12u1
1:128.3.2esr-1
1:128.4.0esr-1

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-15654?

    CVE-2020-15654 is a vulnerability in Mozilla Firefox and Thunderbird that allows a website to make it look like the user is interacting with the user interface when they are not.

  • How does CVE-2020-15654 work?

    CVE-2020-15654 works by specifying a custom cursor using CSS and putting the website in an endless loop, creating a perceived broken state.

  • What is the severity of CVE-2020-15654?

    CVE-2020-15654 has a severity level of low.

  • Which software versions are affected by CVE-2020-15654?

    Mozilla Firefox ESR 78.1, Mozilla Firefox up to version 79, and Mozilla Thunderbird 78.1 are affected by CVE-2020-15654.

  • How can I resolve CVE-2020-15654?

    To resolve CVE-2020-15654, update your Mozilla Firefox or Thunderbird to the latest version provided by Mozilla.

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