What’s Vulnerable › Vulnerabilities

CVE-2019-19343

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-23 · updated 2026-06-17
• Weakness: CWE-400

Description

A flaw was found in Undertow when using Remoting as shipped in Red Hat Jboss EAP before version 7.2.4. A memory leak in HttpOpenListener due to holding remote connections indefinitely may lead to denial of service. Versions before undertow 2.0.25.SP1 and jboss-remoting 5.0.14.SP1 are believed to be vulnerable.

Affected products

• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• jboss-remoting: before 5.0.14; 5.0.14 — fixed in 5.0.14
• Red Hat JBoss EAP: before 7.2.4 — fixed in 7.2.4
• Red Hat undertow: before 2.0.25; 2.0.25 — fixed in 2.0.25

How to fix

Upgrade to a fixed version: jboss-remoting 5.0.14; Red Hat JBoss EAP 7.2.4; Red Hat undertow 2.0.25. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1780445
• https://issues.redhat.com/browse/JBEAP-16695
• https://security.netapp.com/advisory/ntap-20220211-0002/
• https://bugzilla.redhat.com/show_bug.cgi?id=1780445
• https://issues.redhat.com/browse/JBEAP-16695
• https://security.netapp.com/advisory/ntap-20220211-0002/

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