CVE-2026-91804

Published: Sep 23, 2026Modified: Oct 8, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: 14984358-7092-470d-8f34-ade47a7658a2 (Secondary)

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.

Affected (7)

Products: Foxit: Pdf Editor, Pdf Reader

Foxit

2 products

Pdf Editor

Pdf Reader

Configuration A

7 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Foxit Pdf Editor	version ≤ 13.2.5.63482
Foxit Pdf Editor	14.0.0.33046 ≤ version ≤ 14.0.7.33751
Foxit Pdf Editor	2023.1.0.15510 ≤ version ≤ 2023.3.0.23028
Foxit Pdf Editor	2024.1.0.23997 ≤ version ≤ 2024.4.1.27687
Foxit Pdf Editor	2025.1.0.27937 ≤ version ≤ 2025.3.0.35737
Foxit Pdf Editor	2026.1.0.36452 ≤ version ≤ 2026.2.0.39747
Foxit Pdf Reader	version ≤ 2026.2.0.39747

Running on/with	Platform Versions
Microsoft Windows	All versions

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (1)

https://www.foxit.com/support/security-bulletins.html

Source: 14984358-7092-470d-8f34-ade47a7658a2

Vendor Advisory

Timeline

No history available yet.