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undertow: potential security issue in flow control over HTTP/2 may lead to DOS(incomplete fix for CVE-2021-3629)

🗓️ 25 Jun 2025 00:16:10Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Undertow has an incomplete fix for CVE 2021 3629; flow control over HTTP two may cause overhead or denial of service.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7noarcheap7-jackson-annotations2.10.4-3.redhat_00006.1.el7eapeap7-jackson-annotations-2.10.4-3.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-core2.10.4-3.redhat_00006.1.el7eapeap7-jackson-core-2.10.4-3.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-databind2.10.4-5.redhat_00006.1.el7eapeap7-jackson-databind-2.10.4-5.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-datatype-jdk82.10.4-2.redhat_00006.1.el7eapeap7-jackson-datatype-jdk8-2.10.4-2.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-datatype-jsr3102.10.4-2.redhat_00006.1.el7eapeap7-jackson-datatype-jsr310-2.10.4-2.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-jaxrs-base2.10.4-3.redhat_00006.1.el7eapeap7-jackson-jaxrs-base-2.10.4-3.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-jaxrs-json-provider2.10.4-3.redhat_00006.1.el7eapeap7-jackson-jaxrs-json-provider-2.10.4-3.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-module-jaxb-annotations2.10.4-5.redhat_00006.1.el7eapeap7-jackson-module-jaxb-annotations-2.10.4-5.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-modules-base2.10.4-5.redhat_00006.1.el7eapeap7-jackson-modules-base-2.10.4-5.redhat_00006.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-jackson-modules-java82.10.4-2.redhat_00006.1.el7eapeap7-jackson-modules-java8-2.10.4-2.redhat_00006.1.el7eap.noarch.rpm
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28 Jun 2026 09:28Current
7.3High risk
Vulners AI Score7.3
CVSS 24.3
CVSS 3.17.5
EPSS0.01163
4