CVE-2026-91804

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.

Score
CVSS 3.1 7.8 High
Status
Analyzed - 14984358-7092-470d-8f34-ade47a7658a2
Published
2026-09-23
Last modified
2026-10-08
Weaknesses
CWE-787

Affected products

References