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Microsoft Security Response CenterCVE-2026-14258

Dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length ipv6 nd option in router advertisement handling

Mariner

Read the vendor bulletin Get alerts for azl3 dhcpcd 10.0.8-2 on Azure Linux
6.5CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 dhcpcd 10.0.8-2 on Azure Linux 3.0
  • azl3 dhcpcd 10.0.8-4 on Azure Linux 3.0

Versions the vendor lists as fixed

  • 10.0.8-4
Next step

What the vendor recommends

CBL-Mariner Releases

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

CVE-2026-14258View CVSS, KEV, EPSS, and threat context
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