CVE-2026-13127
Received Received - Intake

PDF Viewer Crash Due to Invalid Page Objects in Thumbnails

Vulnerability report for CVE-2026-13127, 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

The application opens the PDF file. JavaScript then rewrites the document to modify the page structure, resulting in the invalidation of the page objects. However, the thumbnails still use the invalid page objects, ultimately causing the application to crash.

CVSS 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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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 the application opens a PDF file and executes JavaScript that rewrites the document to modify the page structure. This rewriting invalidates the page objects within the document. However, the thumbnail images still reference these now-invalid page objects, which causes the application to crash.

Impact Analysis

The impact of this vulnerability is that the application can crash when opening specially crafted PDF files. This can lead to denial of service, interrupting normal use of the application and potentially causing loss of data or productivity.

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