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Microsoft Security Response CenterCVE-2026-62309

CoreDNS: proxyproto plugin panics on PPv2 datagram with non-UDP transport - single 28-byte packet remote DoS

Mariner

Read the vendor bulletin Get alerts for azl3 coredns 1.11.4-17 on Azure Linux
7.5CVSS out of 10High severity
Scope

What the vendor says is affected

  • azl3 coredns 1.11.4-17 on Azure Linux 3.0
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-2026-62309View CVSS, KEV, EPSS, and threat context
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