CVE-2020-14338: Red Hat Xerces

Medium severity, CVSS 5.3. EPSS: 1.3% chance of exploitation in the next 30 days.

A flaw was found in Wildfly's implementation of Xerces, specifically in the way the XMLSchemaValidator class in the JAXP component of Wildfly enforced the "use-grammar-pool-only" feature. This flaw allows a specially-crafted XML file to manipulate the validation process in certain cases. This issue is the same flaw as CVE-2020-14621, which affected OpenJDK, and uses a similar code. This flaw affects all Xerces JBoss versions before 2.12.0.SP3.

Affected products

• Red Hat Xerces: before 2.12.0 (fixed in 2.12.0); version 2.12.0 only

Published 2020-09-17. Last modified 2026-06-17.