CVE-2026-5938 Details
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.
A denial-of-service vulnerability has been identified in Foxit PDF Reader and Foxit PDF Editor. This issue arises from improper control flow management, which allows a crafted document action chain to cause modal dialog reentry on the main thread. As a result, the application experiences a UI freeze, leading to a denial-of-service condition. The vulnerability affects Foxit PDF Reader versions through 2026.1.0.36452 and Foxit PDF Editor versions through 2026.1.0.36452, as well as all previous 2025.x, 2024.x, 2023.x and 14.x versions, with the exception of Foxit PDF Editor 13.2.4.
Users can update to Foxit PDF Reader 2026.1.1 or Foxit PDF Editor 2026.1.1/14.0.4. Instructions for updating are available on the Foxit website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 27, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.foxit.com/support/security-bulletins.html | Foxit | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-691 | Insufficient Control Flow Management | Foxit |
Affected Products
| Product | Versions |
|---|---|
| foxit pdf editor | < 13.2.4 >= 14.0.0, < 14.0.4 >= 2023.0.0, < 2026.1.1 |
CPE
Remediation
| |
| foxit pdf reader | < 2026.1.1 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | Foxit |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Initial Analysis | [email protected] |
| Apr 27, 2026 | New CVE Received | Foxit |