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. Insufficien…

High CVSS 7.8

CVECVE-2026-91804

First seen2026-09-23 08:31 UTC

Disclosed2026-09-23 08:17 UTC

Last updated2026-09-23 08:31 UTC

Channel statusauto

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.

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Sources

NVD DATABASE

Original Links

https://www.foxit.com/support/security-bulletins.html

Timeline

2026-09-23 nvd_ingest NVD