High severity7.8NVD Advisory· Published Sep 23, 2026
CVE-2026-91804
CVE-2026-91804
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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