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undertow: Undertow MadeYouReset HTTP/2 DDoS Vulnerability

🗓️ 30 Jun 2026 00:12:30Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Undertow vulnerability MadeYouReset: malformed HTTP/2 requests trigger server-side stream resets, causing DoS via repeated stream aborts.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7anyeap7-undertow0:1.4.18-21.SP19_redhat_00001.1.ep7.el7.noarcheap7-undertow-0:1.4.18-21.SP19_redhat_00001.1.ep7.el7.noarch.noarch.rpm

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30 Jun 2026 17:36Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.0217
SSVC
7