CVE-2026-91791 — Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
When processing a specially crafted PDF file, Foxit PDF Editor/Reader may encounter a reentrant execution condition involving JavaScript triggered by page-visibility events. Thi…
Published: 2026-09-23 · CVSS: 7.8 · CVSS 3.1
When processing a specially crafted PDF file, Foxit PDF Editor/Reader may encounter a reentrant execution condition involving JavaScript triggered by page-visibility events. This can cause the application to access a released page-view object while calculating annotation boundaries, resulting in an invalid memory read and application crash.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7