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A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver requests to private networks of the apiserver. If that user can view kube-apiserver logs when the log level is set to 10, they can view the redirected responses and headers in the logs.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Sep 20, 2021 |
| Debian | — | Upgrade kubernetes | Jul 30, 2024 | Sep 20, 2021 |
| Kubernetes | — | Upgrade Kubernetes to version 1.22.2Upgrade Kubernetes to version 1.21.5Upgrade Kubernetes to version 1.20.11 | Mar 10, 2022 | Sep 20, 2021 |
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