Foxit Reader V9.7.2 -

Foxit Reader v9.7.2 utilizes a Microsoft Office-style ribbon interface.

Here is where v9.7.2 gets interesting for security researchers and blue teams. Foxit has a dual history: loved for its speed, feared for its attack surface. foxit reader v9.7.2

Why v9.7.2 is a goldmine (and a nightmare): Foxit Reader v9

After v9.7.2, Foxit released multiple security advisories. Critical vulnerabilities affecting v9.7.2 include: On a modern computer, you won't notice a difference

| CVE ID | CVSS Score | Description | |--------|-------------|-------------| | CVE-2021-21831 | 7.8 (High) | Use-after-free in the JavaScript Doc.gotoNamedDest() method → Remote Code Execution (RCE). | | CVE-2021-21832 | 7.8 (High) | Use-after-free in the this.print() JavaScript method. | | CVE-2021-21833 | 7.8 (High) | Heap buffer overflow in the AcroForm annotation handling. | | CVE-2020-17410 | 8.8 (High) | Use-after-free in this.submitForm() leading to RCE. | | CVE-2020-15913 | 8.1 (High) | Arbitrary file write via improper validation of the XFDF export path. |

📌 Note: Foxit fixed these only in versions 10.x and later. No patches were backported to 9.7.x.


On a modern computer, you won't notice a difference. But on legacy hardware (Windows 7 thin clients, old laptops, or virtual desktop environments), v9.7.2 launches in under 2 seconds. Modern Electron-based PDF readers or the new Foxit MSIX packages consume 3x the memory. v9.7.2 uses approximately 45MB of RAM to open a 10MB PDF.