CVE-2021-27263: 
Foxit PDF Reader vulnerability analysis and mitigation

This vulnerability (CVE-2021-27263) affects Foxit PhantomPDF version 10.1.0.37527. The vulnerability allows remote attackers to disclose sensitive information on affected installations. User interaction is required to exploit this vulnerability, specifically requiring the target to visit a malicious page or open a malicious file (ZDI Advisory, NVD).

The vulnerability exists within the handling of U3D objects embedded in PDF files. The specific flaw results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. The vulnerability has been assigned a CVSS v3.1 base score of 3.3 (LOW) with the vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N (NVD, ZDI Advisory).

The vulnerability allows attackers to disclose sensitive information on affected installations. An attacker can leverage this vulnerability in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process (ZDI Advisory).

Foxit has issued an update to correct this vulnerability. Users should update to the latest version of the software through the vendor's security bulletin (Foxit Security Bulletin).