CVE-2021-34950: Foxit PDF Reader Annotation Out-Of-Bounds Read Remote Code Execution Vulnerability
Foxit PDF Reader Annotation Out-Of-Bounds Read Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code 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 Annotation objects. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14396.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34950?
CVE-2021-34950 is rated as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2021-34950?
To fix CVE-2021-34950, users should update to the latest version of Foxit PDF Reader.
What type of vulnerability is CVE-2021-34950?
CVE-2021-34950 is an out-of-bounds read vulnerability that can lead to remote code execution.
Who is affected by CVE-2021-34950?
CVE-2021-34950 affects installations of Foxit PDF Reader prior to the patched version.
What is required to exploit CVE-2021-34950?
Exploitation of CVE-2021-34950 requires user interaction, meaning the user must open a malicious PDF file.