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OpenAdvisories
High · 7.8 CVE-2026-91805 EUVD-2026-85123GHSA-w77c-2xq3-h9h8

Use-after-free Vulnerability in Foxit PDF Editor/Reader Page-tree Handling

Published Sep 23, 2026 · Updated Sep 23, 2026 · Assigned by Foxit

Description

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s PDF page-tree handling. A specially crafted PDF can trigger page-structure changes during rendering, causing the application to access released page objects and resulting in memory corruption and an application crash.

Affected products

VendorProductAffectedFixed
Foxit Software Foxit PDF Editor Versions 2026.2 and earlier, Versions 14.0.7 and earlier, Versions 13.2.6 and earlier —
Foxit Software Foxit PDF Reader Versions 2026.2 and earlier —

Advisories 1

References