7.8High

CVE-2026-91802Foxit PDF Editor/Reader — Heap Buffer Overflow in WebP Image Decoding via Bitmap Stride Confusion

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

Description

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash.

Weakness (CWE): CWE-787

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
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