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Microsoft Security Response CenterCVE-2026-17106

Tar extraction in moby/go-archive can write outside the destination directory via link following

High 1 CVE Published Aug 23, 2026 at 1:03 AM UTC

Summary

Mariner

Products covered

  • azl3 moby-engine 25.0.3-19 on Azure Linux 3.0

  • azl3 docker-cli 25.0.7-4 on Azure Linux 3.0

  • azl3 docker-cli 25.0.7-5 on Azure Linux 3.0

  • azl3 moby-engine 25.0.3-20 on Azure Linux 3.0

Remediation

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

Vendor-listed fixes

  • 25.0.3-20

  • 25.0.7-5

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.

    • Added affected products: azl3 docker-cli 25.0.7-5 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0.
    • Added fixed versions: 25.0.3-20, 25.0.7-5.
    • The vendor changed its remediation guidance.

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.