CVE-2026-91804 — Foxit PDF Editor/Reader Out-of-bounds Write Vulnerability While Rendering

CVE-2026-91804

Foxit PDF Editor/Reader Out-of-bounds Write Vulnerability While Rendering PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Foxit Software Inc. / Foxit PDF Editor	affected Versions 2026.2 and earlier; affected Versions 14.0.7 and earlier; affected Versions 13.2.6 and earlier
Foxit Software Inc. / Foxit PDF Reader	affected Versions 2026.2 and earlier

CWE

CWE-787

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.