FoxitCVE-2026-91804
Foxit PDF: out-of-bounds write
High7.8CVE-2026-91804 · Published Sep 23, 2026
A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Foxit PDF Editor Product | <= Versions 2026.2 and earlier | No fix yet |
| <= Versions 14.0.7 and earlier | No fix yet | |
| <= Versions 13.2.6 and earlier | No fix yet | |
| Foxit PDF Reader Product | <= Versions 2026.2 and earlier | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-787
More Foxit advisories
All Foxit| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 23 | Foxit PDF: out-of-bounds read | Medium6.1 | No fix yet |
| Sep 23 | Foxit PDF: use after free | High7.8 | No fix yet |
| Sep 23 | Foxit PDF: use after free | High7.8 | No fix yet |
| Sep 23 | Foxit PDF: out-of-bounds read | Medium6.1 | No fix yet |
| Sep 23 | Foxit PDF: out-of-bounds write | High7.8 | No fix yet |
| Sep 23 | Foxit PDF: code execution | High7.9 | No fix yet |