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Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, Envoy does not sanitize or escape request properties when generating request headers. This can lead to characters that are illegal in header values to be sent to the upstream service. In the worst case, it can cause upstream service to interpret the original request as two pipelined requests, possibly bypassing the intent of Envoy’s security policy. Versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9 contain a patch. As a workaround, disable adding request headers based on the downstream request properties, such as downstream certificate properties.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade ecs-service-connect-agentUpgrade ecs-service-connect-agent-debuginfo | Jul 14, 2023 | Apr 4, 2023 |
| Amazon_linux_2023 | — | Upgrade ecs-service-connect-agent | Feb 17, 2025 | Apr 4, 2023 |
| Oracle_linux | — | Upgrade olcne-metallb-chartUpgrade olcne-utilsUpgrade olcne-istio-chartUpgrade olcne-rook-chartUpgrade olcne-prometheus-chartUpgrade olcne-agentUpgrade istioUpgrade istio-istioctlUpgrade olcne-kubevirt-chartUpgrade olcne-api-serverUpgrade olcne-calico-chartUpgrade olcne-grafana-chartUpgrade kubeadmUpgrade olcnectlUpgrade olcne-extra-modulesUpgrade olcne-oci-ccm-chartUpgrade olcne-gluster-chartUpgrade kubectlUpgrade kubeletUpgrade olcne-nginxUpgrade olcne-multus-chartUpgrade olcne-olm-chart | Jun 2, 2023 | Apr 4, 2023 |
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