CVE-2026-5941
High
Description
Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form field hierarchies, leading to invalid memory writes and program crashes during internal data structure construction.
SeverityHigh
CVSS7.8
Exploit probability—
ProductFoxit Pdf Editor
PublishedApr 27, 2026
First seenApr 27, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- foxit pdf_editor14.0.4, 2026.1.1 or later
- foxit pdf_reader2026.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| foxit pdf_editor | 14.0.0 ≤ v < 14.0.4, 2023.0.0 ≤ v < 2026.1.1 | 14.0.4, 2026.1.1 |
| foxit pdf_reader | v < 2026.1.1 | 2026.1.1 |
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