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Microsoft Security Response CenterCVE-2026-84445

gRPC-Go: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers in the xDS servers

Mariner

HighCVSS not listedHigh severity
Scope

What the vendor says is affected

  • azl3 azcopy 10.25.1-8 on Azure Linux 3.0
  • azl3 azurelinux-image-tools 1.6.0-2 on Azure Linux 3.0
  • azl3 cert-manager 1.12.15-12 on Azure Linux 3.0
  • azl3 cf-cli 8.7.11-8 on Azure Linux 3.0
  • azl3 cloud-provider-kubevirt 0.5.1-7 on Azure Linux 3.0
  • azl3 containerd2 2.2.4-8 on Azure Linux 3.0
  • azl3 containerized-data-importer 1.62.0-7 on Azure Linux 3.0
  • azl3 coredns 1.11.4-20 on Azure Linux 3.0
  • azl3 cri-tools 1.32.0-7 on Azure Linux 3.0
  • azl3 docker-buildx 0.14.0-16 on Azure Linux 3.0
  • azl3 docker-cli 25.0.7-5 on Azure Linux 3.0
  • azl3 docker-compose 2.27.0-13 on Azure Linux 3.0
  • azl3 flannel 0.24.2-31 on Azure Linux 3.0
  • azl3 gh 2.98.0-1 on Azure Linux 3.0
  • azl3 ignition-flatcar 2.22.0-6 on Azure Linux 3.0
  • azl3 influxdb 2.7.5-20 on Azure Linux 3.0
  • azl3 kata-containers 3.32.0.kata0-5 on Azure Linux 3.0
  • azl3 kata-containers-cc 3.15.0.aks0-20 on Azure Linux 3.0
  • azl3 keda 2.14.1-18 on Azure Linux 3.0
  • azl3 kube-vip-cloud-provider 0.0.10-8 on Azure Linux 3.0
  • azl3 kubernetes 1.30.10-29 on Azure Linux 3.0
  • azl3 kubevirt 1.8.4-1 on Azure Linux 3.0
  • azl3 moby-containerd-cc 1.7.7-16 on Azure Linux 3.0
  • azl3 moby-engine 25.0.3-20 on Azure Linux 3.0
Next step

What the vendor recommends

See the Microsoft Security Update Guide for the update that applies to your product.

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory