CVE-2026-91794
Analyzed Analyzed - Analysis Complete

Out-of-Bounds Write in Foxit PDF Editor/Reader

Publication date: 2026-09-23

Last updated on: 2026-10-29

Assigner: Foxit

Description
An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code execution.

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Meta Information

Published
2026-09-23
Last Modified
2026-10-29
Generated
2026-11-08
AI Q&A
2026-09-23
EPSS Evaluated
2026-11-07
NVD
CVE-2026-91794
EUVD
EUVD-2026-85128

Affected Vendors & Products

Showing 14 associated CPEs
Vendor Product Version / Range
foxit pdf_editor From 2023.1.0.15510 (inc) to 2023.3.0.23028 (inc)
foxit pdf_editor From 2024.1.0.23997 (inc) to 2024.4.1.27687 (inc)
foxit pdf_editor From 2025.1.0.27937 (inc) to 2025.3.0.35737 (inc)
foxit pdf_editor From 14.0.0.33046 (inc) to 14.0.7.33751 (inc)
foxit pdf_editor From 2026.1.0.36452 (inc) to 2026.2.0.39747 (inc)
foxit pdf_reader to 2026.2.0.39747 (inc)
foxit pdf_editor to 13.2.6.24111 (inc)
foxit pdf_editor From 2023.1.0.55583 (inc) to 2023.3.0.63083 (inc)
foxit pdf_editor From 2024.1.0.63682 (inc) to 2024.4.1.66479 (inc)
foxit pdf_editor From 2025.1.0.66692 (inc) to 2025.3.0.69570 (inc)
foxit pdf_editor From 14.0.0.68868 (inc) to 14.0.7.69441 (inc)
foxit pdf_editor From 2026.1.0.70169 (inc) to 2026.2.0.72029 (inc)
foxit pdf_editor to 13.2.6.63484 (inc)
foxit pdf_reader to 2026.2.0.72029 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This is an out-of-bounds write vulnerability in Foxit PDF Editor/Reader caused by insufficient validation of color space data during PDF rendering. It may lead to program crashes and potentially allow remote code execution.

Detection Guidance

This vulnerability involves an out-of-bounds write in Foxit PDF Editor/Reader due to improper handling of color space data. Detection requires inspecting PDF files for malformed color space structures or monitoring for crashes during PDF rendering. No specific commands are provided in the context to detect this issue.

Impact Analysis

An attacker could exploit this to crash the application or execute arbitrary code on your system by tricking you into opening a specially crafted PDF file. This could compromise your data or system integrity.

Compliance Impact

This vulnerability could potentially lead to remote code execution, which may result in unauthorized access to sensitive data. For GDPR, this could violate principles of data protection and confidentiality. For HIPAA, it might compromise protected health information if exploited.

Mitigation Strategies

Update Foxit PDF Editor or Reader to the latest version to patch the vulnerability. Avoid opening untrusted PDF files and disable PDF rendering in email clients if possible.

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