CVE-2026-91804
Last modified
CVE-2026-91804 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://www.foxit.com/support/security-bulletins.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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