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Microsoft Security Response CenterCVE-2026-6843

Nano: nano: format string vulnerability leads to denial of service

Mariner

Read the vendor bulletin Get alerts for cbl2 nano 6.0-3 on CBL Mariner
5.5CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • cbl2 nano 6.0-3 on CBL Mariner 2.0
  • azl3 nano 6.4-3 on Azure Linux 3.0
  • cbl2 nano 6.0-3 on CBL-Mariner 2.0
  • azl3 nano 6.4-2 on Azure Linux 3.0

Versions the vendor lists as fixed

  • 6.4-3
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.

Vulnerabilities

CVEs named in this advisory

CVE-2026-6843View CVSS, KEV, EPSS, and threat context
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