Description
A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Foxit Software | Foxit PDF Editor | Versions 2026.2 and earlier, Versions 14.0.7 and earlier, Versions 13.2.6 and earlier | — |
| Foxit Software | Foxit PDF Reader | Versions 2026.2 and earlier | — |
Advisories 1
- WID-SEC-2026-3525 Foxit PDF Reader und Foxit PDF Editor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 23, 2026