Vulnerabilities
Misconfiguration
Compliance
Cryptography
CVE Vulnerabilities

CVE-2026-97031

Asymmetric Resource Consumption (Amplification)

Published: Oct 08, 2026 | Modified: Oct 09, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-97031
CWEhttps://cwe.mitre.org/data/definitions/405.html

Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. We now reject these as malformed and curb the memory amplification vector as a result.

Weakness

The product does not properly control situations in which an adversary can cause the product to consume or produce excessive resources without requiring the adversary to invest equivalent work or otherwise prove authorization, i.e., the adversary’s influence is “asymmetric.”

Affected Software

NameVendorStart VersionEnd Version
Red Hat Ansible Automation Platform 2.6 for RHEL 10RedHatreceptor-0:1.6.9-3.el10ap*
Red Hat Ansible Automation Platform 2.6 for RHEL 9RedHatreceptor-0:1.6.9-3.el9ap*
Red Hat Ansible Automation Platform 2.7 for RHEL 10RedHatreceptor-0:1.6.9-3.el10ap*
Red Hat Ansible Automation Platform 2.7 for RHEL 9RedHatreceptor-0:1.6.9-3.el9ap*
Red Hat Enterprise Linux 10RedHatgolang-0:1.26.10-1.el10_2*
Red Hat Enterprise Linux 10RedHatgolang-github-openprinting-ipp-usb-0:0.9.27-7.el10_2.4*
Red Hat Enterprise Linux 10RedHatgrafana-pcp-0:5.3.0-8.el10_2.2*
Red Hat Enterprise Linux 10RedHatgrafana-0:10.2.6-28.el10_2.8*
Red Hat Enterprise Linux 10RedHatrhc-1:0.3.8-8.el10_2*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatgolang-0:1.26.10-1.el10_0*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatgrafana-pcp-0:5.3.0-1.el10_0.2*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatgrafana-0:10.2.6-27.el10_0*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatdelve-0:1.26.1-3.el10_0*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatrhc-1:0.3.2-6.el10_0.2*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatosbuild-composer-0:134.1-13.el10_0*
Red Hat Enterprise Linux 8RedHatgo-toolset:rhel8-8100020261020054335.a3795dee*
Red Hat Enterprise Linux 8RedHatgrafana-0:9.2.10-36.el8_10*
Red Hat Enterprise Linux 8RedHatgrafana-pcp-0:5.1.1-19.el8_10*
Red Hat Enterprise Linux 8RedHatrhc-1:0.2.5-13.el8_10*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatgo-toolset:rhel8-8040020261027035356.522a0ee4*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatrhc-1:0.2.0-6.el8_4.2*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatgo-toolset:rhel8-8040020261027035356.522a0ee4*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatrhc-1:0.2.0-6.el8_4.2*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatgo-toolset:rhel8-8060020261020153812.97d7f71f*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatgrafana-0:7.5.11-12.el8_6*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatgrafana-pcp-0:3.2.0-4.el8_6.2*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatrhc-1:0.2.1-14.el8_6.1*
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRedHatgo-toolset:rhel8-8060020261020153812.97d7f71f*
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRedHatgrafana-0:7.5.11-12.el8_6*
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRedHatgrafana-pcp-0:3.2.0-4.el8_6.2*
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRedHatrhc-1:0.2.1-14.el8_6.1*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatgo-toolset:rhel8-8080020261020152326.6b4b45d8*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatgrafana-0:7.5.15-12.el8_8*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatgrafana-pcp-0:3.2.0-6.el8_8.2*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatrhc-1:0.2.2-1.el8_8.3*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatgo-toolset:rhel8-8080020261020152326.6b4b45d8*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatgrafana-0:7.5.15-12.el8_8*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatgrafana-pcp-0:3.2.0-6.el8_8.2*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatrhc-1:0.2.2-1.el8_8.3*
Red Hat Enterprise Linux 9RedHatgolang-0:1.26.10-1.el9_8*
Red Hat Enterprise Linux 9RedHatgrafana-pcp-0:5.1.1-17.el9_8.2*
Red Hat Enterprise Linux 9RedHatrhc-1:0.2.7-16.el9_8*
Red Hat Enterprise Linux 9RedHatgrafana-0:10.2.6-23.el9_8.7*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatgrafana-pcp-0:5.1.1-5.el9_2.3*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatgolang-0:1.26.10-1.el9_2*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatgrafana-0:9.0.9-14.el9_2*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatdelve-0:1.26.1-1.el9_2.2*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatrhc-1:0.2.2-1.el9_2.7*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatosbuild-composer-0:76.1-10.el9_2*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatgrafana-pcp-0:5.1.1-10.el9_4*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatgolang-0:1.26.10-1.el9_4*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatgrafana-0:9.2.10-29.el9_4*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatdelve-0:1.26.1-1.el9_4.2*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatrhc-1:0.2.4-9.el9_4.3*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatosbuild-composer-0:101.3-4.el9_4.7*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatgolang-0:1.26.10-1.el9_6*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatgrafana-pcp-0:5.1.1-15.el9_6.2*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatgrafana-0:10.2.6-24.el9_6*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatrhc-1:0.2.7-1.el9_6.8*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatdelve-0:1.26.1-1.el9_6.2*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatosbuild-composer-0:132.2-13.el9_6*
Red Hat OpenStack Services on OpenShift 18.0RedHatgolang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20261021172337.a95ae05.el9ost*
Red Hat Satellite 6.16 for RHEL 8RedHatyggdrasil-worker-forwarder-0:0.1.1-1.el8sat*
Red Hat Satellite 6.16 for RHEL 9RedHatyggdrasil-worker-forwarder-0:0.1.1-1.el9sat*
Red Hat Satellite 6.17 for RHEL 9RedHatyggdrasil-worker-forwarder-0:0.1.1-1.el9sat*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-controller-rhel9:1792743026*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-git-cloner-rhel9:1792743393*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-image-bundler-rhel9:1792742961*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-image-processing-rhel9:1792742957*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-operator-bundle:1792749168*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-rhel9-operator:1792742668*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-shared-resource-rhel9:1792680568*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-shared-resource-webhook-rhel9:1792680570*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-waiters-rhel9:1792742966*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-webhook-rhel9:1792743329*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-controller-rhel9:1792840135*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-git-cloner-rhel9:1792835365*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-image-bundler-rhel9:1792835298*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-image-processing-rhel9:1792836805*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-rhel9-operator:1792844269*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-shared-resource-rhel9:1792837466*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-shared-resource-webhook-rhel9:1792838794*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-waiters-rhel9:1792837567*
Red Hat OpenShift Builds 1.8.3RedHatopenshift-builds/openshift-builds-webhook-rhel9:1792851895*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-controller-rhel10:1792680723*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-git-cloner-rhel10:1792762055*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-image-bundler-rhel10:1792680848*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-image-processing-rhel10:1792680911*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-operator-bundle:1792762900*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-rhel10-operator:1792749358*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-shared-resource-rhel10:1792680549*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-shared-resource-webhook-rhel10:1792680546*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-waiters-rhel10:1792762119*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-webhook-rhel10:1792680944*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-controller-rhel10:1792837598*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-git-cloner-rhel10:1792837398*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-image-bundler-rhel10:1792838765*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-image-processing-rhel10:1792835879*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-rhel10-operator:1792859629*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-shared-resource-rhel10:1792857112*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-shared-resource-webhook-rhel10:1792840655*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-waiters-rhel10:1792839475*
Red Hat OpenShift Builds 1.9.2RedHatopenshift-builds/openshift-builds-webhook-rhel10:1792835571*
Red Hat OpenShift Service Mesh 3.0RedHatopenshift-service-mesh/istio-cni-rhel9:1792912264*
Red Hat OpenShift Service Mesh 3.0RedHatopenshift-service-mesh/istio-pilot-rhel9:1792911614*
Red Hat OpenShift Service Mesh 3.0RedHatopenshift-service-mesh/istio-proxyv2-rhel9:1792951544*
Red Hat OpenShift Service Mesh 3.0RedHatopenshift-service-mesh/istio-rhel9-operator:1792911464*
Red Hat OpenShift Service Mesh 3.1RedHatopenshift-service-mesh/istio-cni-rhel9:1792912455*
Red Hat OpenShift Service Mesh 3.1RedHatopenshift-service-mesh/istio-pilot-rhel9:1792912343*
Red Hat OpenShift Service Mesh 3.1RedHatopenshift-service-mesh/istio-proxyv2-rhel9:1792937000*
Red Hat OpenShift Service Mesh 3.1RedHatopenshift-service-mesh/istio-rhel9-operator:1792911843*
Red Hat OpenShift Service Mesh 3.2RedHatopenshift-service-mesh/istio-cni-rhel9:1792912393*
Red Hat OpenShift Service Mesh 3.2RedHatopenshift-service-mesh/istio-pilot-rhel9:1792912862*
Red Hat OpenShift Service Mesh 3.2RedHatopenshift-service-mesh/istio-proxyv2-rhel9:1792935548*
Red Hat OpenShift Service Mesh 3.2RedHatopenshift-service-mesh/istio-rhel9-operator:1792912242*
Red Hat OpenShift Service Mesh 3.3RedHatopenshift-service-mesh/istio-cni-rhel9:1792912245*
Red Hat OpenShift Service Mesh 3.3RedHatopenshift-service-mesh/istio-pilot-rhel9:1792911805*
Red Hat OpenShift Service Mesh 3.3RedHatopenshift-service-mesh/istio-proxyv2-rhel9:1792944701*
Red Hat OpenShift Service Mesh 3.3RedHatopenshift-service-mesh/istio-rhel9-operator:1792911854*

Potential Mitigations

References

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