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CVE-2026-91804

7.8 high SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.8 · foxitNVD modified 2026-10-08 13:58

Affected (CPE criteria) 2

  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
  • cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*

References 1