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Δ / VULNERABILITY RECORD

CVE-2026-27138.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.9No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Mar 13, 2026

Disclosure summary

Panic in name constraint checking for malformed certificates in crypto/x509

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2026-Mar

Open original source · Updated Mar 13, 2026

Panic in name constraint checking for malformed certificates in crypto/x509

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 5.9

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 golang 1.25.7-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 golang 1.26.0-1 on Azure Linux 3.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 1.25.8-1 · product IDs 21051-17084
  • Vendor guidance · product IDs 21051-17084
  • CBL-Mariner Releases · build 1.26.1-1 · product IDs 20973-17084
  • Vendor guidance · product IDs 20973-17084

Original records & references

PUBLISHED 2026-03-10T21:03:35-04:00
MODIFIED 2026-03-13T21:37:26-04:00
INGESTED 2026-10-08T12:45:09-04:00