CVE-2026-5939
Received Received - Intake
Use-After-Free in XFA PDF Calculate Event Causes Code Execution

Publication date: 2026-04-27

Last updated on: 2026-04-29

Assigner: Foxit

Description
A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution.
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Meta Information
Published
2026-04-27
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2026-04-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-5939
EUVD
EUVD-2026-25825
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
foxit pdf_editor From 14.0.0 (inc) to 14.0.4 (exc)
foxit pdf_editor From 2023.0.0 (inc) to 2026.1.1 (exc)
foxit pdf_reader to 2026.1.1 (exc)
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
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Executive Summary

This vulnerability involves a crafted XFA PDF that can trigger a use-after-free condition during the calculate event processing within an application.

This condition causes the application to crash and can lead to arbitrary code execution.

Impact Analysis

The vulnerability can cause the affected application to crash unexpectedly.

More critically, it allows an attacker to execute arbitrary code, which could compromise the security and integrity of your system.

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