Disclosure summary
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.
Source-reported weakness categories
CWE-787
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-91804
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| foxit | pdf_editor | * {"versionStartIncluding":"2026.1.0.36452","versionEndIncluding":"2026.2.0.39747"} |
| foxit | pdf_reader | * {"versionEndIncluding":"2026.2.0.39747"} |
Original records & references
- NIST NVD record
- CVE Program record
- www.foxit.com — Vendor Advisory
PUBLISHED 2026-09-23T04:17:12-04:00
MODIFIED 2026-10-08T09:58:38-04:00
INGESTED 2026-10-10T20:25:12-04:00