What is CVE-2021-41784?

CVE-2021-41784 is a vulnerability in Foxit PDF Reader, PDF Editor, and PhantomPDF that allows attackers to execute arbitrary code by triggering a use-after-free due to mishandling of JavaScript.

How severe is CVE-2021-41784?

CVE-2021-41784 has a severity score of 7.8 (high).

Which software is affected by CVE-2021-41784?

Foxit PDF Reader before version 11.1, PDF Editor before version 11.1, and PhantomPDF before version 10.1.6 are affected by CVE-2021-41784.

How can an attacker exploit CVE-2021-41784?

An attacker can exploit CVE-2021-41784 by triggering a use-after-free vulnerability in Foxit PDF Reader, PDF Editor, or PhantomPDF through mishandling of JavaScript, allowing them to execute arbitrary code.

Is Microsoft Windows affected by CVE-2021-41784?

No, Microsoft Windows is not vulnerable to CVE-2021-41784.

Where can I find more information about CVE-2021-41784?

You can find more information about CVE-2021-41784 in the security bulletins provided by Foxit: [link](https://www.foxit.com/support/security-bulletins.html).

Vulnerability/
CVE-2021-41784

high

7.8

CWE

416

29/8/2022

4/8/2024

CVE-2021-41784: Use After Free

First published: Mon Aug 29 2022(Updated: )

Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, allow attackers to trigger a use-after-free and execute arbitrary code because JavaScript is mishandled.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Foxit PDF Editor	>=11.0<11.1
Foxit PDF Reader	>=11.0<11.1
Foxit PhantomPDF	<10.1.6
Microsoft Windows

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Reference Links

https://www.foxit.com/support/security-bulletins.html

Frequently Asked Questions

What is CVE-2021-41784?
CVE-2021-41784 is a vulnerability in Foxit PDF Reader, PDF Editor, and PhantomPDF that allows attackers to execute arbitrary code by triggering a use-after-free due to mishandling of JavaScript.
How severe is CVE-2021-41784?
CVE-2021-41784 has a severity score of 7.8 (high).
Which software is affected by CVE-2021-41784?
Foxit PDF Reader before version 11.1, PDF Editor before version 11.1, and PhantomPDF before version 10.1.6 are affected by CVE-2021-41784.
How can an attacker exploit CVE-2021-41784?
An attacker can exploit CVE-2021-41784 by triggering a use-after-free vulnerability in Foxit PDF Reader, PDF Editor, or PhantomPDF through mishandling of JavaScript, allowing them to execute arbitrary code.
Is Microsoft Windows affected by CVE-2021-41784?
No, Microsoft Windows is not vulnerable to CVE-2021-41784.
Where can I find more information about CVE-2021-41784?
You can find more information about CVE-2021-41784 in the security bulletins provided by Foxit: [link](https://www.foxit.com/support/security-bulletins.html).

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agent/references
agent/weakness
agent/severity
agent/author
agent/description
agent/type
agent/event
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
agent/tags
collector/mitre-cve
source/MITRE
vendor/foxit
canonical/foxit pdf editor
version/foxit pdf editor/11.0
canonical/foxit pdf reader
version/foxit pdf reader/11.0
canonical/foxit phantompdf
vendor/microsoft
canonical/microsoft windows

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