What’s Vulnerable › Vulnerabilities
CVE-2026-5938: Foxit PDF Editor/Reader Infinite Loop Denial-of-Service Vulnerability
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-27 · updated 2026-10-26
- Weakness: CWE-691
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.
Affected products
- Foxit PDF Reader: before 13.2.4; from 14.0.0 before 14.0.4; from 2023.0.0 before 2026.1.1 — fixed in 13.2.4, 14.0.4, 2026.1.1
- Foxit Pdf Reader: before 2026.1.1 — fixed in 2026.1.1
How to fix
Upgrade to a fixed version: Foxit PDF Reader 13.2.4, 14.0.4, 2026.1.1; Foxit Pdf Reader 2026.1.1. Check the vendor advisory for mitigations.
References
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