foxitCVE-2026-91793
When opening a specially crafted PDF, Foxit PDF Editor/Reader executes scripts that modify annotation rich-text attributes containing malformed font data.
High7.8CVE-2026-91793 · Published Sep 23, 2026
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Foxit PDF Editor Vendor | <= 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 Vendor | <= Versions 2026.2 and earlier | No fix yet |
Details and references
When opening a specially crafted PDF, Foxit PDF Editor/Reader executes scripts that modify annotation rich-text attributes containing malformed font data. During subsequent annotation appearance reconstruction, it accesses an object after it has been released, resulting in a use-after-free condition and an application crash.
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity from
- no source yet
- Weakness
- CWE-416