What’s Vulnerable › Vulnerabilities

CVE-2021-38566

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-11 · updated 2026-06-17
• Weakness: CWE-674

Description

An issue was discovered in Foxit PDF Reader before 11.0.1 and PDF Editor before 11.0.1. It allows stack consumption during recursive processing of embedded XML nodes.

Affected products

• Foxit PDF Editor: before 11.0.1 — fixed in 11.0.1
• Foxitsoftware Pdf Reader: before 11.0.1 — fixed in 11.0.1

How to fix

Upgrade to a fixed version: Foxit PDF Editor 11.0.1; Foxitsoftware Pdf Reader 11.0.1. Check the vendor advisory for mitigations.

References

• https://www.foxitsoftware.com/support/security-bulletins.php
• https://www.foxitsoftware.com/support/security-bulletins.php

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