CVE-2021-34976: Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability
Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. 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 PDF files. 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14659.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34976?
The severity of CVE-2021-34976 is classified as medium, due to its potential for information disclosure.
How do I fix CVE-2021-34976?
To fix CVE-2021-34976, update your Foxit PDF Reader to the latest version provided by the vendor.
What type of vulnerability is CVE-2021-34976?
CVE-2021-34976 is a use-after-free vulnerability that can lead to information disclosure.
Is user interaction required to exploit CVE-2021-34976?
Yes, user interaction is required to exploit CVE-2021-34976, as it involves opening a specially crafted PDF file.
Which software is affected by CVE-2021-34976?
CVE-2021-34976 affects Foxit PDF Reader versions prior to the latest security patches.