CVE-2026-57237
Received Received - Intake

Memory Corruption in PDF Reader Application

Vulnerability report for CVE-2026-57237, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-08

Last updated on: 2026-07-08

Assigner: Foxit

Description

When the application opens a PDF and JavaScript modifies the properties of form fields, it causes the state of the underlying objects referenced by the program to become invalid. Eventually, it reads an illegal memory address, which leads to the crash of the application.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-07-08
Last Modified
2026-07-08
Generated
2026-07-08
AI Q&A
2026-07-08
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

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Executive Summary

This vulnerability occurs when an application opens a PDF file and JavaScript within the PDF modifies the properties of form fields. This modification causes the state of the underlying objects referenced by the program to become invalid. As a result, the application attempts to read an illegal memory address, which leads to the application crashing.

Impact Analysis

The vulnerability can cause the affected application to crash when processing specially crafted PDF files containing JavaScript that modifies form fields. This can lead to denial of service, interrupting normal operations and potentially causing loss of data or productivity.

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