CVE-2026-91807

MEDIUMCVSS 6.1

Description

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed image soft-mask data. Insufficient validation of the soft-mask data attribute during image parsing may cause an arithmetic underflow, resulting in an out-of-bounds read and application crash.

Timeline

Published:September 23rd, 2026 8:17 AM

Last modified:October 15th, 2026 2:48 PM

CVSS Scoring

CVSS v3: 6.1 (MEDIUM)

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Affected Software

From NVD CPE configuration data

Vendors

foxit

Products

pdf_editorpdf_reader

Weaknesses (CWE)

CWE-125

References & Reports

Advisories, patches, and third-party reports

https://www.foxit.com/support/security-bulletins.htmlVendor Advisory

Source: NIST NVD · Data may lag official sources by up to one minute