CVE-2026-91804
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.
- Score
- CVSS 3.1 7.8 High
- Status
- Analyzed - 14984358-7092-470d-8f34-ade47a7658a2
- Published
- 2026-09-23
- Last modified
- 2026-10-08
- Weaknesses
- CWE-787
Affected products
- Pdf Editor (Foxit)
- Pdf Reader (Foxit)
- Foxit Pdf Editor (Foxit Software Inc.)
- Foxit Pdf Reader (Foxit Software Inc.)
References
- https://www.foxit.com/support/security-bulletins.html