Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-91804 Details

Description

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes.

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://www.foxit.com/support/security-bulletins.html FoxitVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds WriteFoxit

Affected Products

ProductVersions
foxit pdf editor
<= 13.2.5.63482
>= 14.0.0.33046, <= 14.0.7.33751
>= 2023.1.0.15510, <= 2023.3.0.23028
>= 2024.1.0.23997, <= 2024.4.1.27687
>= 2025.1.0.27937, <= 2025.3.0.35737

CPE

  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
foxit pdf reader
<= 2026.2.0.39747

CPE

  • cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
microsoft windows
All versions

CPE

  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2026-91804
NVD Published Date:
Sep 23, 2026
NVD Last Modified:
Oct 8, 2026
Source:
Foxit
CVE-2026-91804 Details - Not Deferred