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undertow: Undertow MadeYouReset HTTP/2 DDoS Vulnerability

🗓️ 18 Mar 2026 13:19:11Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Undertow vulnerability MadeYouReset triggers server-side stream resets from malformed requests, causing DoS via repeated aborts.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9noarcheap7-undertow0:2.2.39-1.Final_redhat_00001.1.el9eapeap7-undertow-0:2.2.39-1.Final_redhat_00001.1.el9eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-wildfly0:7.4.24-4.GA_redhat_00002.1.el9eapeap7-wildfly-0:7.4.24-4.GA_redhat_00002.1.el9eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-wildfly-java-jdk110:7.4.24-4.GA_redhat_00002.1.el9eapeap7-wildfly-java-jdk11-0:7.4.24-4.GA_redhat_00002.1.el9eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-wildfly-java-jdk170:7.4.24-4.GA_redhat_00002.1.el9eapeap7-wildfly-java-jdk17-0:7.4.24-4.GA_redhat_00002.1.el9eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-wildfly-java-jdk80:7.4.24-4.GA_redhat_00002.1.el9eapeap7-wildfly-java-jdk8-0:7.4.24-4.GA_redhat_00002.1.el9eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-wildfly-javadocs0:7.4.24-4.GA_redhat_00002.1.el9eapeap7-wildfly-javadocs-0:7.4.24-4.GA_redhat_00002.1.el9eap.noarch.rpm
Red Hat Enterprise Linux9noarcheap7-wildfly-modules0:7.4.24-4.GA_redhat_00002.1.el9eapeap7-wildfly-modules-0:7.4.24-4.GA_redhat_00002.1.el9eap.noarch.rpm

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07 Jul 2026 15:54Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.0217
SSVC
5