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Microsoft Security Response CenterCVE-2026-33056

tar-rs: unpack_in can chmod arbitrary directories by following symlinks

Mariner

MediumCVSS not listedMedium severity
Scope

What the vendor says is affected

  • azl3 kata-containers-cc 3.15.0.aks0-7 on Azure Linux 3.0
  • azl3 rpm-ostree 2024.4-6 on Azure Linux 3.0
  • azl3 rust 1.90.0-4 on Azure Linux 3.0
  • azl3 kata-containers-cc 3.15.0.aks0-8 on Azure Linux 3.0
  • cbl2 rust 1.72.0-15 on CBL Mariner 2.0
  • azl3 rust 1.75.0-27 on Azure Linux 3.0
  • azl3 rust 1.90.0-6 on Azure Linux 3.0
  • azl3 clamav 1.5.2-1 on Azure Linux 3.0
  • azl3 clamav 1.5.2-2 on Azure Linux 3.0
  • cbl2 rust 1.72.0-15 on CBL-Mariner 2.0
  • cbl2 kata-containers 3.2.0.azl2-7 on CBL Mariner 2.0
  • cbl2 kata-containers-cc 3.2.0.azl2-8 on CBL Mariner 2.0
  • cbl2 rpm-ostree 2022.1-8 on CBL Mariner 2.0
  • cbl2 rust 1.72.0-14 on CBL Mariner 2.0
  • azl3 rust 1.75.0-25 on Azure Linux 3.0
  • azl3 trident 0.21.0-1 on Azure Linux 3.0
  • azl3 rpm-ostree 2024.4-8 on Azure Linux 3.0
  • azl3 rpm-ostree 2024.4-10 on Azure Linux 3.0
  • cbl2 rpm-ostree 2022.1-8 on CBL-Mariner 2.0

Versions the vendor lists as fixed

  • 1.72.0-16
  • 1.75.0-28
  • 1.90.0-7
  • 1.5.2-2
  • 2022.1-9
  • 0.22.0-1
  • 2024.4-10
Next step

What the vendor recommends

CBL-Mariner Releases Release Notes

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.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory