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Microsoft Security Response CenterCVE-2025-61727

Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509

Mariner

Read the vendor bulletin Get alerts for cbl2 golang 1.18.8-10 on CBL Mariner
6.5CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • cbl2 golang 1.18.8-10 on CBL Mariner 2.0
  • azl3 golang 1.26.0-1 on Azure Linux 3.0
  • azl3 golang 1.25.7-1 on Azure Linux 3.0
  • azl3 golang 1.25.8-1 on Azure Linux 3.0
  • cbl2 msft-golang 1.25.8-1 on CBL Mariner 2.0
  • cbl2 golang 1.22.7-5 on CBL Mariner 2.0
  • azl3 golang 1.23.12-1 on Azure Linux 3.0
  • azl3 golang 1.25.5-1 on Azure Linux 3.0
  • cbl2 msft-golang 1.24.11-1 on CBL Mariner 2.0
  • azl3 golang 1.25.6-1 on Azure Linux 3.0
  • cbl2 msft-golang 1.24.12-1 on CBL Mariner 2.0
  • cbl2 msft-golang 1.24.13-1 on CBL Mariner 2.0
  • azl3 golang 1.25.9-1 on Azure Linux 3.0
  • azl3 golang 1.25.10-1 on Azure Linux 3.0
  • cbl2 msft-golang 1.25.8-1
  • azl3 golang 1.27.0-1 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.

Vulnerabilities

CVEs named in this advisory

CVE-2025-61727View CVSS, KEV, EPSS, and threat context
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