What is the severity of CVE-2021-34958?

CVE-2021-34958 is rated as a critical severity vulnerability due to its potential for remote code execution.

How do I fix CVE-2021-34958?

To fix CVE-2021-34958, users should update Foxit PDF Editor to the latest version provided by the vendor.

What are the potential impacts of CVE-2021-34958?

The potential impacts of CVE-2021-34958 include unauthorized remote code execution, which could compromise system integrity and data confidentiality.

Who is affected by CVE-2021-34958?

CVE-2021-34958 affects users of the Foxit PDF Editor, specifically the Foxit PhantomPDF for Windows product.

Is user interaction required to exploit CVE-2021-34958?

Yes, user interaction is required to exploit CVE-2021-34958, as the target must open a malicious PDF document.

Vulnerability/
CVE-2021-34958

high

7.8

CWE

416

7/5/2024

4/8/2024

22/2/2025

CVE-2021-34958: Foxit PDF Editor Text Annotation Use-After-Free Remote Code Execution Vulnerability

First published: Tue May 07 2024(Updated: )

Foxit PDF Editor Text 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-14359.

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-2021-34958?
CVE-2021-34958 is rated as a critical severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2021-34958?
To fix CVE-2021-34958, users should update Foxit PDF Editor to the latest version provided by the vendor.
What are the potential impacts of CVE-2021-34958?
The potential impacts of CVE-2021-34958 include unauthorized remote code execution, which could compromise system integrity and data confidentiality.
Who is affected by CVE-2021-34958?
CVE-2021-34958 affects users of the Foxit PDF Editor, specifically the Foxit PhantomPDF for Windows product.
Is user interaction required to exploit CVE-2021-34958?
Yes, user interaction is required to exploit CVE-2021-34958, as the target must open a malicious PDF document.

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