CVE-2026-91808 MEDIUM

CVE-2026-91808: Foxit PDF Editor/Reader JPEG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Vendor Foxit Software Inc.
Product Foxit PDF Editor
Weakness CWE-125
Published September 23, 2026
Last update September 23, 2026

CVSS base score

6.1/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor Reader’s handling of PDF image objects with inconsistent compression metadata. Insufficient validation during image decoding may result in an undersized buffer and an out-of-bounds read during rendering, causing an application crash.

Key dates

02Disclosure timeline

September 23, 2026 CVE published