CVE-2026-91815
Received Received - Intake

Heap Out-of-Bounds Write in Foxit PDF Editor

Vulnerability report for CVE-2026-91815, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: Foxit

Description

Foxit PDF Editor/Reader does not perform sufficient verification of the JPEG2000 image metadata in the PDF file, which leads to out-of-bounds write in the heap buffer during decoding, potentially causing the program to crash and introducing the risk of arbitrary code execution.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-23
AI Q&A
2026-09-23
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
foxit pdf_editor_reader *

Helpful Resources

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.

Attack-Flow Graph

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Executive Summary

Foxit PDF Editor/Reader has a flaw where it fails to properly check JPEG2000 image metadata in PDF files. This can lead to writing outside the intended memory area during image decoding, potentially crashing the program or allowing arbitrary code execution.

Impact Analysis

If exploited, this vulnerability could allow attackers to run malicious code on your system by tricking you into opening a specially crafted PDF file. This could lead to unauthorized access, data theft, or system compromise.

Mitigation Strategies

Update Foxit PDF Editor/Reader to the latest version as soon as patches are available to address the JPEG2000 metadata verification issue.

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