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Microsoft Security Response CenterCVE-2026-73500

etcd: `tlsListener.acceptLoop` spawns unbounded handshake goroutines with no deadline

Mariner

Read the vendor bulletin Get alerts for azl3 flannel 0.24.2-29 on Azure Linux
HighCVSS not listedHigh severity
Scope

What the vendor says is affected

  • azl3 flannel 0.24.2-29 on Azure Linux 3.0
  • azl3 keda 2.14.1-16 on Azure Linux 3.0
  • azl3 kube-vip-cloud-provider 0.0.10-7 on Azure Linux 3.0
  • azl3 kubernetes 1.30.10-27 on Azure Linux 3.0
  • azl3 cert-manager 1.12.15-11 on Azure Linux 3.0
  • azl3 cloud-provider-kubevirt 0.5.1-6 on Azure Linux 3.0
  • azl3 prometheus-adapter 0.12.0-7 on Azure Linux 3.0

Versions the vendor lists as fixed

  • 0.24.2-30
  • 2.14.1-17
  • 0.0.10-8
  • 1.30.10-28
  • 1.12.15-12
  • 0.5.1-7
  • 0.12.0-9
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. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-73500View CVSS, KEV, EPSS, and threat context
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