Foxit Software has published security updates to fix a high severity remote code execution (RCE) vulnerability affecting the PDF reader. The high-severity vulnerability (tracked a CVE-2021-21822) results from a Use After Free bug found by Cisco Talos in the V8 JavaScript engine used by Foxit Reader to display dynamic forms and interactive document elements. Foxit claims to have more than 650 million users from 200 countries, with its software currently being used by over 100,000 customers.
Source: https://www.bleepingcomputer.com/news/security/foxit-reader-bug-lets-attackers-run-malicious-code-via-pdfs/