7.8High

CVE-2026-91791Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability

Foxit Software Inc. Foxit PDF Editor; Foxit Software Inc. Foxit PDF Reader Published: (1 month ago)

Description

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.

Weakness (CWE): CWE-416

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Foxit Software Inc. Foxit PDF Editor Versions 2026.2 and earlier, Versions 14.0.7 and earlier, Versions 13.2.6 and earlier
Foxit Software Inc. Foxit PDF Reader Versions 2026.2 and earlier
foxit pdf editor ≤ 13.2.5.63482
foxit pdf reader ≤ 2026.2.0.39747

References and patches

CPE matches (NVD) (7)

  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≤ 13.2.5.63482
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 14.0.0.33046 ≤ 14.0.7.33751
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 2023.1.0.15510 ≤ 2023.3.0.23028
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 2024.1.0.23997 ≤ 2024.4.1.27687
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 2025.1.0.27937 ≤ 2025.3.0.35737
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 2026.1.0.36452 ≤ 2026.2.0.39747
  • cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:* ≤ 2026.2.0.39747