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Microsoft Security Response CenterCVE-2026-39827

Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh

MediumVendor CVSS 6.5 / 10 1 CVE Published May 27, 2026 at 1:14 AM UTC

Summary

Mariner

Products covered

  • 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 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 kubernetes 1.30.10-23 on Azure Linux 3.0

  • azl3 kubevirt 1.7.1-2 on Azure Linux 3.0

  • azl3 moby-engine 25.0.3-17 on Azure Linux 3.0

Show 13 more products
  • azl3 packer 1.9.5-13 on Azure Linux 3.0

  • azl3 telegraf 1.31.0-19 on Azure Linux 3.0

  • azl3 docker-compose 2.27.0-11 on Azure Linux 3.0

  • azl3 kubernetes 1.30.10-25 on Azure Linux 3.0

  • azl3 telegraf 1.31.0-23 on Azure Linux 3.0

  • azl3 cf-cli 8.7.11-6 on Azure Linux 3.0

  • azl3 docker-buildx 0.14.0-13 on Azure Linux 3.0

  • azl3 gh 2.62.0-16 on Azure Linux 3.0

  • azl3 moby-engine 25.0.3-18 on Azure Linux 3.0

  • azl3 telegraf 1.31.0-22 on Azure Linux 3.0

  • azl3 cf-cli 8.7.11-7 on Azure Linux 3.0

  • azl3 gh 2.62.0-17 on Azure Linux 3.0

  • azl3 gh 2.62.0-18 on Azure Linux 3.0

Remediation

CBL-Mariner Releases

Vendor-listed fixes

  • 1.12.15-8

  • 1.30.10-25

  • 1.7.1-5

  • 25.0.3-18

  • 1.9.5-14

  • 2.27.0-13

  • 1.31.0-23

  • 8.7.11-7

Show 2 more fixes
  • 0.14.0-15

  • 2.62.0-17

CVEs in this advisory 1

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.

    • The vendor changed the advisory's last-updated date.

Updates

  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.