Medium · published September 23, 2026
A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor Reader’s handling of PDF image objects with inconsistent compression metadata. Insufficient validation during image decoding may result in an undersized buffer and an out-of-bounds read during rendering, causing an application crash.
| Product | Versions | Fixed in |
|---|---|---|
| foxit/pdf_editor | ≤ 13.2.5.63482 | — |
| foxit/pdf_editor | ≥ 14.0.0.33046, ≤ 14.0.7.33751 | — |
| foxit/pdf_editor | ≥ 2023.1.0.15510, ≤ 2023.3.0.23028 | — |
| foxit/pdf_editor | ≥ 2024.1.0.23997, ≤ 2024.4.1.27687 | — |
| foxit/pdf_editor | ≥ 2025.1.0.27937, ≤ 2025.3.0.35737 | — |
| foxit/pdf_editor | ≥ 2026.1.0.36452, ≤ 2026.2.0.39747 | — |
| foxit/pdf_reader | ≤ 2026.2.0.39747 | — |