CVE-2026-91811
Last modified
CVE-2026-91811 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 PRC parser due to insufficient validation of vertex indices in triangular fan texture meshes. Successful exploitation could result in memory corruption and an application crash.. 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 PRC parser due to insufficient validation of vertex indices in triangular fan texture meshes. Successful exploitation could result in memory corruption and an application crash.
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 |
| Foxit | Pdf Editor | <= 13.2.2.63349 |
| Foxit | Pdf Editor | >= 14.0.0.68868, <= 14.0.7.69441 |
| Foxit | Pdf Editor | >= 2023.1.0.55583, <= 2023.3.0.63083 |
| Foxit | Pdf Editor | >= 2024.1.0.63682, <= 2024.4.1.66479 |
| Foxit | Pdf Editor | >= 2025.1.0.66692, <= 2025.3.0.69570 |
| Foxit | Pdf Editor | >= 2026.1.0.70169, <= 2026.2.0.72029 |
| Foxit | Pdf Reader | <= 2026.2.1.39815 |
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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