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CVE PROGRAM SOURCE RECORD6.1 Medium

CVE-2026-91817

Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability

Description

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Foxit Software Inc. Foxit PDF Editor

Default version status: unaffected

  • Versions 2026.2 and earlieraffected
  • Versions 14.0.7 and earlieraffected
  • Versions 13.2.6 and earlieraffected

Foxit Software Inc. Foxit PDF Reader

Default version status: unaffected

  • Versions 2026.2 and earlieraffected

References