What is the severity of CVE-2021-34963?

CVE-2021-34963 has been rated with a high severity due to its potential for remote code execution.

How do I fix CVE-2021-34963?

To mitigate CVE-2021-34963, users should update their Foxit PDF Editor to the latest version provided by the vendor.

What kind of attacks can CVE-2021-34963 facilitate?

CVE-2021-34963 can allow remote attackers to execute arbitrary code on compromised installations of Foxit PDF Editor.

Is user interaction required to exploit CVE-2021-34963?

Yes, exploiting CVE-2021-34963 requires user interaction, such as opening a specially crafted PDF file.

Which software is affected by CVE-2021-34963?

CVE-2021-34963 affects Foxit PDF Editor, specifically Foxit PhantomPDF for Windows.

Vulnerability/
CVE-2021-34963

high

7.8

CWE

416

7/5/2024

4/8/2024

22/2/2025

CVE-2021-34963: Foxit PDF Editor PolyLine Annotation Use-After-Free Remote Code Execution Vulnerability

First published: Tue May 07 2024(Updated: )

Foxit PDF Editor PolyLine Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14365.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Foxit PDF Editor for Mac

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-34963?
CVE-2021-34963 has been rated with a high severity due to its potential for remote code execution.
How do I fix CVE-2021-34963?
To mitigate CVE-2021-34963, users should update their Foxit PDF Editor to the latest version provided by the vendor.
What kind of attacks can CVE-2021-34963 facilitate?
CVE-2021-34963 can allow remote attackers to execute arbitrary code on compromised installations of Foxit PDF Editor.
Is user interaction required to exploit CVE-2021-34963?
Yes, exploiting CVE-2021-34963 requires user interaction, such as opening a specially crafted PDF file.
Which software is affected by CVE-2021-34963?
CVE-2021-34963 affects Foxit PDF Editor, specifically Foxit PhantomPDF for Windows.

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canonical/foxit pdf editor for mac

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