CVE-2026-5938
Received Received - Intake

Improper Control Flow in Document Actions Causes UI Freeze DoS

Publication date: 2026-04-27

Last updated on: 2026-04-29

Assigner: Foxit

Description
Improper control flow management allows a crafted document action chain to cause modal dialog reentry on the main thread, resulting in UI freeze and denial of service.

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Meta Information

Published
2026-04-27
Last Modified
2026-04-29
Generated
2026-07-06
AI Q&A
2026-04-27
EPSS Evaluated
2026-07-05
NVD
CVE-2026-5938
EUVD
EUVD-2026-25824

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
foxit pdf_editor to 13.2.4 (exc)
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-691 The code does not sufficiently manage its control flow during execution, creating conditions in which the control flow can be modified in unexpected ways.

Attack-Flow Graph

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Executive Summary

This vulnerability involves improper control flow management that allows a specially crafted document action chain to cause modal dialog reentry on the main thread.

As a result, the user interface (UI) freezes, leading to a denial of service condition.

Impact Analysis

The vulnerability can cause the application's UI to freeze, resulting in a denial of service.

This means users may be unable to interact with the application until it is restarted or otherwise recovered.

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