7.8
CWE
416
Advisory Published
Updated
Advisory Published

CVE-2021-31441: Foxit Reader Annotation Use-After-Free Remote Code Execution Vulnerability

First published: Fri May 07 2021(Updated: )

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. 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-13101.

Credit: zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
Foxitsoftware Foxit Reader<=10.1.3.37598
Foxitsoftware Phantompdf<=9.7.5.29616
Foxitsoftware Phantompdf>=10.0.0.0<=10.1.3.37598
Microsoft Windows
Foxit Reader

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Frequently Asked Questions

  • What is the severity of CVE-2021-31441?

    The severity of CVE-2021-31441 is high with a CVSS score of 7.8.

  • How does CVE-2021-31441 impact Foxit Reader?

    CVE-2021-31441 allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576.

  • What software versions are affected by CVE-2021-31441?

    CVE-2021-31441 affects Foxit Reader versions up to and including 10.1.3.37598.

  • Is Microsoft Windows affected by CVE-2021-31441?

    No, Microsoft Windows is not vulnerable to CVE-2021-31441.

  • Are there any patches or updates available for CVE-2021-31441?

    For information on patches or updates, please refer to the official security bulletins page of Foxit Software.

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