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HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

🗓️ 18 Oct 2023 03:19:26Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

HTTP/2 servers face denial of service from rapid reset attack using repeated RST_STREAM frames.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64openshift-hyperkube0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el8openshift-hyperkube-0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64leopenshift-hyperkube0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el8openshift-hyperkube-0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xopenshift-hyperkube0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el8openshift-hyperkube-0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64openshift-hyperkube0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el8openshift-hyperkube-0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el8.x86_64.rpm
Red Hat Enterprise Linux9aarch64openshift-hyperkube0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el9openshift-hyperkube-0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64leopenshift-hyperkube0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el9openshift-hyperkube-0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xopenshift-hyperkube0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el9openshift-hyperkube-0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64openshift-hyperkube0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el9openshift-hyperkube-0:4.12.0-202310132326.p0.g20cda61.assembly.stream.el9.x86_64.rpm

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13 Jul 2026 17:28Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.5
EPSS0.99999
SSVC
CWE-400
rapid reset attackdenial of serviceserver resourcesmultiplex streamsgo languagered hat bulletin
5