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Microsoft Security Response CenterCVE-2026-78662

Prevent DoS on deadlocked undecided channel in golang.org/x/crypto/ssh

Mariner

Read the vendor bulletin Get alerts for azl3 cert-manager 1.12.15-11 on Azure Linux
7.5CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 cert-manager 1.12.15-11 on Azure Linux 3.0
  • azl3 kubernetes 1.30.10-27 on Azure Linux 3.0
  • azl3 moby-engine 25.0.3-19 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 docker-buildx 0.14.0-16 on Azure Linux 3.0
  • azl3 docker-compose 2.27.0-13 on Azure Linux 3.0
  • azl3 gh 2.62.0-20 on Azure Linux 3.0
  • azl3 kubevirt 1.7.1-8 on Azure Linux 3.0
  • azl3 packer 1.9.5-18 on Azure Linux 3.0
  • azl3 telegraf 1.31.0-28 on Azure Linux 3.0
  • azl3 gh 2.98.0-1 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-engine 25.0.3-20 on Azure Linux 3.0
  • azl3 packer 1.9.5-20 on Azure Linux 3.0
  • azl3 telegraf 1.31.0-31 on Azure Linux 3.0

Versions the vendor lists as fixed

  • 1.12.15-13
  • 8.7.11-9
  • 0.14.0-17
  • 2.27.0-14
  • 2.98.0-2
  • 1.30.10-30
  • 1.8.4-2
  • 1.9.5-21
  • 1.31.0-32
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
Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Added fixed versions: 0.14.0-17, 1.8.4-2, 1.9.5-21, 1.12.15-13, 1.30.10-30.
    • Added affected products: azl3 cert-manager 1.12.15-12 on Azure Linux 3.0, azl3 gh 2.98.0-1 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-engine 25.0.3-20 on Azure Linux 3.0.
    • Removed affected products: azl3 libcontainers-common 20240213-3 on Azure Linux 3.0, azl3 nvidia-container-toolkit 1.17.8-4 on Azure Linux 3.0.
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. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-78662View CVSS, KEV, EPSS, and threat context
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