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Microsoft Security Response CenterCVE-2026-42506

Invoking incorrect handling of namespaced elements in foreign content in golang.org/x/net/html

Mariner

Read the vendor bulletin Get alerts for azl3 application-gateway-kubernetes-ingress 1.7.7-3 on Azure Linux
6.1CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 application-gateway-kubernetes-ingress 1.7.7-3 on Azure Linux 3.0
  • azl3 cert-manager 1.12.15-6 on Azure Linux 3.0
  • azl3 cf-cli 8.7.11-5 on Azure Linux 3.0
  • azl3 cloud-provider-kubevirt 0.5.1-3 on Azure Linux 3.0
  • azl3 cni-plugins 1.4.0-5 on Azure Linux 3.0
  • azl3 containerd2 2.1.6-2 on Azure Linux 3.0
  • azl3 containerized-data-importer 1.62.0-3 on Azure Linux 3.0
  • azl3 cri-tools 1.32.0-4 on Azure Linux 3.0
  • azl3 dasel 2.8.1-3 on Azure Linux 3.0
  • azl3 docker-buildx 0.14.0-11 on Azure Linux 3.0
  • azl3 docker-compose 2.27.0-9 on Azure Linux 3.0
  • azl3 gh 2.62.0-15 on Azure Linux 3.0
  • azl3 influxdb 2.7.5-15 on Azure Linux 3.0
  • azl3 keda 2.14.1-11 on Azure Linux 3.0
  • azl3 kube-vip-cloud-provider 0.0.10-5 on Azure Linux 3.0
  • azl3 kubernetes 1.30.10-23 on Azure Linux 3.0
  • azl3 kubevirt 1.7.1-2 on Azure Linux 3.0
  • azl3 multus 4.0.2-7 on Azure Linux 3.0
  • azl3 packer 1.9.5-13 on Azure Linux 3.0
  • azl3 prometheus-adapter 0.12.0-5 on Azure Linux 3.0
  • azl3 sriov-network-device-plugin 3.7.0-5 on Azure Linux 3.0
  • azl3 telegraf 1.31.0-19 on Azure Linux 3.0
  • azl3 cni-plugins 1.4.0-6 on Azure Linux 3.0
  • azl3 kubernetes 1.30.10-25 on Azure Linux 3.0

Versions the vendor lists as fixed

  • 1.7.7-4
  • 1.12.15-8
  • 8.7.11-6
  • 0.5.1-4
  • 1.4.0-6
  • 2.1.6-3
  • 1.62.0-5
  • 1.32.0-6
  • 2.8.1-4
  • 0.14.0-13
  • 2.27.0-11
  • 2.62.0-16
  • 2.7.5-17
  • 2.14.1-13
  • 0.0.10-6
  • 1.30.10-25
  • 1.7.1-5
  • 4.0.2-8
  • 1.9.5-14
  • 0.12.0-6
  • 3.7.0-6
  • 1.31.0-21
Next step

What the vendor recommends

CBL-Mariner Releases

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

CVE-2026-42506View CVSS, KEV, EPSS, and threat context
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